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<div class="header">
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<a href="#define-members">宏定义</a> &#124;
<a href="#func-members">函数</a>  </div>
  <div class="headertitle">
<div class="title">update.c 文件参考</div>  </div>
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<div class="contents">
<div class="textblock"><code>#include &quot;<a class="el" href="a03629_source.html">precomp.h</a>&quot;</code><br />
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<p><a href="a00896_source.html">浏览源代码.</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
宏定义</h2></td></tr>
<tr class="memitem:ab987daecd0178a9702939e9e33394e60"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#ab987daecd0178a9702939e9e33394e60">UW_ENUMCHILDREN</a>&#160;&#160;&#160;0x0001</td></tr>
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<tr class="memitem:aaf84a35bdb504fd5d01c56a22ba9bff0"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#aaf84a35bdb504fd5d01c56a22ba9bff0">UW_RECURSED</a>&#160;&#160;&#160;0x0004</td></tr>
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<tr class="memitem:adbc73e3d4696e50274abed881c65d980"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#adbc73e3d4696e50274abed881c65d980">RIR_OUTSIDE</a>&#160;&#160;&#160;0</td></tr>
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<tr class="memitem:a059a937f154912751dafe2ee447cf806"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a059a937f154912751dafe2ee447cf806">RIR_INTERSECT</a>&#160;&#160;&#160;1</td></tr>
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<tr class="memitem:ac7435691056fe04715985fddcd1504b0"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#ac7435691056fe04715985fddcd1504b0">RIR_INSIDE</a>&#160;&#160;&#160;2</td></tr>
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<tr class="memitem:ad7da6f024015a3ec7f8246dc94081ed4"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#ad7da6f024015a3ec7f8246dc94081ed4">RDW_IGNOREUPDATEDIRTY</a>&#160;&#160;&#160;0x8000</td></tr>
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<tr class="memitem:a5ebb79bbdd0be58e36cf794d75dbdb75"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a5ebb79bbdd0be58e36cf794d75dbdb75">RECTINREGION_BUG</a></td></tr>
<tr class="separator:a5ebb79bbdd0be58e36cf794d75dbdb75"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
函数</h2></td></tr>
<tr class="memitem:a51eb38ca0bb2d40819f743278dce2bd1"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a51eb38ca0bb2d40819f743278dce2bd1">xxxInvalidateRect</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, LPRECT lprcInvalid, BOOL fErase)</td></tr>
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<tr class="memitem:a1d7c15c37da9521a93ab379c03cdadcf"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a1d7c15c37da9521a93ab379c03cdadcf">xxxValidateRect</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, LPRECT lprcValid)</td></tr>
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<tr class="memitem:adfbbac539ae7300deb5a08780072362b"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#adfbbac539ae7300deb5a08780072362b">xxxInvalidateRgn</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, HRGN <a class="el" href="a03266.html#a22582da0c3535d7a4fc98d7a7b03cc18">hrgnInvalid</a>, BOOL fErase)</td></tr>
<tr class="separator:adfbbac539ae7300deb5a08780072362b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6d213d929b93fc6bf2d87a5cee5987ae"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a6d213d929b93fc6bf2d87a5cee5987ae">xxxValidateRgn</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, HRGN <a class="el" href="a03266.html#a6ed7bdfb32a260cb1f7f148bdd49827f">hrgnValid</a>)</td></tr>
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<tr class="memitem:a0e9ad69f6b473c9c76b5693e0d1d524e"><td class="memItemLeft" align="right" valign="top">VOID&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a0e9ad69f6b473c9c76b5693e0d1d524e">PixieHack</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, LPRECT prcBounds)</td></tr>
<tr class="separator:a0e9ad69f6b473c9c76b5693e0d1d524e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a487301eed51abdcd2b3920954855e848"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a487301eed51abdcd2b3920954855e848">xxxRedrawWindow</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, LPRECT lprcUpdate, HRGN hrgnUpdate, <a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> flags)</td></tr>
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<tr class="memitem:ab6a4ddd732c403d0defe59c1cc87e829"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#ab6a4ddd732c403d0defe59c1cc87e829">InternalInvalidate2</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, HRGN hrgn, HRGN hrgnSubtract, LPRECT prcParents, <a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> flags)</td></tr>
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<tr class="memitem:a2ef829ca76ec2d553004ab030fbca1d2"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a2ef829ca76ec2d553004ab030fbca1d2">ValidateParents</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, BOOL fRecurse)</td></tr>
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<tr class="memitem:a32eaac5634917065e8e79181c6d0cc03"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a32eaac5634917065e8e79181c6d0cc03">xxxUpdateWindow2</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, <a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> flags)</td></tr>
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<tr class="memitem:af920796d5612f833ca2179b07a008e69"><td class="memItemLeft" align="right" valign="top">VOID&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#af920796d5612f833ca2179b07a008e69">xxxInternalInvalidate</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, HRGN hrgnUpdate, <a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> flags)</td></tr>
<tr class="separator:af920796d5612f833ca2179b07a008e69"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa1a70248d072f47e9072b716708a6918"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#aa1a70248d072f47e9072b716708a6918">xxxUpdateWindow</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd)</td></tr>
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<tr class="memitem:a65a8e2481578c9a2f313bfd34f9aa249"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a65a8e2481578c9a2f313bfd34f9aa249">_ExcludeUpdateRgn</a> (HDC hdc, <a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd)</td></tr>
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<tr class="memitem:ab40b149a3d9c965a24fd6db9923d8d43"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#ab40b149a3d9c965a24fd6db9923d8d43">xxxGetUpdateRect</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, LPRECT lprc, BOOL fErase)</td></tr>
<tr class="separator:ab40b149a3d9c965a24fd6db9923d8d43"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3e034442cf0455d5afbd69ba1f8c3211"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a3e034442cf0455d5afbd69ba1f8c3211">xxxGetUpdateRgn</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, HRGN hrgn, BOOL fErase)</td></tr>
<tr class="separator:a3e034442cf0455d5afbd69ba1f8c3211"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3333b91812c4eafd509d41303eb0100f"><td class="memItemLeft" align="right" valign="top">BOOL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00896.html#a3333b91812c4eafd509d41303eb0100f">IntersectWithParents</a> (<a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a> pwnd, LPRECT lprc)</td></tr>
<tr class="separator:a3333b91812c4eafd509d41303eb0100f"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">宏定义说明</h2>
<a id="ad7da6f024015a3ec7f8246dc94081ed4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad7da6f024015a3ec7f8246dc94081ed4">&#9670;&nbsp;</a></span>RDW_IGNOREUPDATEDIRTY</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define RDW_IGNOREUPDATEDIRTY&#160;&#160;&#160;0x8000</td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00028">28</a> 行定义.</p>

</div>
</div>
<a id="a5ebb79bbdd0be58e36cf794d75dbdb75"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5ebb79bbdd0be58e36cf794d75dbdb75">&#9670;&nbsp;</a></span>RECTINREGION_BUG</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define RECTINREGION_BUG</td>
        </tr>
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</div><div class="memdoc">

</div>
</div>
<a id="ac7435691056fe04715985fddcd1504b0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac7435691056fe04715985fddcd1504b0">&#9670;&nbsp;</a></span>RIR_INSIDE</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define RIR_INSIDE&#160;&#160;&#160;2</td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00026">26</a> 行定义.</p>

</div>
</div>
<a id="a059a937f154912751dafe2ee447cf806"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a059a937f154912751dafe2ee447cf806">&#9670;&nbsp;</a></span>RIR_INTERSECT</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define RIR_INTERSECT&#160;&#160;&#160;1</td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00025">25</a> 行定义.</p>

</div>
</div>
<a id="adbc73e3d4696e50274abed881c65d980"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adbc73e3d4696e50274abed881c65d980">&#9670;&nbsp;</a></span>RIR_OUTSIDE</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define RIR_OUTSIDE&#160;&#160;&#160;0</td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00024">24</a> 行定义.</p>

</div>
</div>
<a id="ab987daecd0178a9702939e9e33394e60"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab987daecd0178a9702939e9e33394e60">&#9670;&nbsp;</a></span>UW_ENUMCHILDREN</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define UW_ENUMCHILDREN&#160;&#160;&#160;0x0001</td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00021">21</a> 行定义.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#aaf84a35bdb504fd5d01c56a22ba9bff0">&#9670;&nbsp;</a></span>UW_RECURSED</h2>

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          <td class="memname">#define UW_RECURSED&#160;&#160;&#160;0x0004</td>
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<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00022">22</a> 行定义.</p>

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<h2 class="groupheader">函数说明</h2>
<a id="a65a8e2481578c9a2f313bfd34f9aa249"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a65a8e2481578c9a2f313bfd34f9aa249">&#9670;&nbsp;</a></span>_ExcludeUpdateRgn()</h2>

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          <td class="memname">int _ExcludeUpdateRgn </td>
          <td>(</td>
          <td class="paramtype">HDC&#160;</td>
          <td class="paramname"><em>hdc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
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<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l01398">1398</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;{</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160;    POINT pt;</div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160; </div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == NULL) {</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160; </div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;        RECT rc;</div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160; </div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;<span class="comment">         * Pass FALSE for fXForm since &amp;rc isn&#39;t used.</span></div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;        <span class="keywordflow">return</span> GreGetClipBox(hdc, &amp;rc, FALSE);</div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160; </div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == MAXREGION) {</div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160; </div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;        <span class="keywordflow">return</span> GreIntersectClipRect(hdc, 0, 0, 0, 0);</div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160; </div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160; </div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160;<span class="comment">         * If no clip rgn exists, then subtract from a device-sized clip rgn.</span></div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;<span class="comment">         * (GetClipRgn returns clip rgn in screen coordinates).</span></div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160;        GreGetDCOrg(hdc, &amp;pt);</div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160;        <span class="keywordflow">if</span> (GreGetRandomRgn(hdc, <a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, 1) != 1) {</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160; </div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160;            GreSetRectRgn(<a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>,</div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;                          0,</div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160;                          0,</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;                          <a class="code" href="a03257.html#ab597263bdbb3441715804712fcf29e6d">gpDispInfo</a>-&gt;<a class="code" href="a02605.html#a263f5b35c44d9f9ae5c74acae8037644">rcScreen</a>.right - <a class="code" href="a03257.html#ab597263bdbb3441715804712fcf29e6d">gpDispInfo</a>-&gt;<a class="code" href="a02605.html#a263f5b35c44d9f9ae5c74acae8037644">rcScreen</a>.left,</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;                          <a class="code" href="a03257.html#ab597263bdbb3441715804712fcf29e6d">gpDispInfo</a>-&gt;<a class="code" href="a02605.html#a263f5b35c44d9f9ae5c74acae8037644">rcScreen</a>.bottom - <a class="code" href="a03257.html#ab597263bdbb3441715804712fcf29e6d">gpDispInfo</a>-&gt;<a class="code" href="a02605.html#a263f5b35c44d9f9ae5c74acae8037644">rcScreen</a>.top);</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160; </div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160; </div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;<span class="comment">             * Gets returned in dc coords - translate to screen.</span></div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;            GreOffsetRgn(<a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, pt.x, pt.y);</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160;        }</div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160; </div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160;        SubtractRgn(<a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, <a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>);</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160; </div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;<span class="comment">         * Map to dc coords before select</span></div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;        GreOffsetRgn(<a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, -pt.x, -pt.y);</div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160; </div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160;        <span class="keywordflow">return</span> GreExtSelectClipRgn(hdc, <a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, RGN_COPY);</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;    }</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;}</div>
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<p class="reference">引用了 <a class="el" href="a03257_source.html#l00125">gpDispInfo</a>, <a class="el" href="a03257_source.html#l00454">hrgnInv1</a>, <a class="el" href="a00365_source.html#l01406">tagWND::hrgnUpdate</a> , 以及 <a class="el" href="a00365_source.html#l01570">tagDISPLAYINFO::rcScreen</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a03614_source.html#l05230">NtUserExcludeUpdateRgn()</a> , 以及 <a class="el" href="a00620_source.html#l00094">UT_InvertCaret()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#ab6a4ddd732c403d0defe59c1cc87e829">&#9670;&nbsp;</a></span>InternalInvalidate2()</h2>

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        <tr>
          <td class="memname">BOOL InternalInvalidate2 </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgn</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgnSubtract</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">LPRECT&#160;</td>
          <td class="paramname"><em>prcParents</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a>&#160;</td>
          <td class="paramname"><em>flags</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00369">369</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;{</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;<span class="comment">     * NOTE: Uses hrgnInv2</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    RECT  rcOurShare;</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    <a class="code" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> flagsChildren;</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    <a class="code" href="a02581.html">PWND</a>  pwndT;</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160; </div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;<span class="comment">     * This routine is called recursively down the parent/child chain.</span></div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;<span class="comment">     * Remember if on the way one of the windows has a clipping region.</span></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;<span class="comment">     * This info is used later on to optimize out a loop in the common</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;<span class="comment">     * case.</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a860be5351f601ab541124507007056aa">hrgnClip</a> != NULL)</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;        flags |= RDW_HASWINDOWRGN;</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160; </div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="comment">     * If we&#39;re invalidating, we only want to deal with the part of</span></div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;<span class="comment">     * our window rectangle that intersects our parents.</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;<span class="comment">     * This way, we don&#39;t end up validating or invalidating more than our</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="comment">     * fair share. If we&#39;re completely obscured by our parents, then there is</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="comment">     * nothing to do.</span></div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="comment">     * We don&#39;t perform this intersection if we&#39;re validating, because there</span></div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="comment">     * are cases where a child and its update region may exist but be obscured</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;<span class="comment">     * by parents, and we want to make sure validation will work in these</span></div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="comment">     * cases.  ScrollWindow() can cause this when children are offset, as can</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;<span class="comment">     * various 3.0 compatibility hacks.</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="comment">     * If we recurse, make sure our children subtract themselves off.</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;    flagsChildren = flags | RDW_SUBTRACTSELF;</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;    rcOurShare = pwnd-&gt;<a class="code" href="a02581.html#a2778d611c2b27395e559c94d05732e1f">rcWindow</a>;</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160; </div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;    <span class="keywordflow">if</span> (flags &amp; RDW_INVALIDATE) {</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160; </div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="a00935.html#a1c87c29903dd37145cd93b64140a5d3a">IntersectRect</a>(&amp;rcOurShare, &amp;rcOurShare, prcParents)) {</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160; </div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="comment">             * BACKWARD COMPATIBILITY HACK: If hrgn is (HRGN)1, we need to</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="comment">             * invalidate ALL child windows, even if they&#39;re not visible.  This</span></div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;<span class="comment">             * is a bummer, because it&#39;ll result in all sorts of repaints that</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;<span class="comment">             * aren&#39;t necessary.</span></div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;<span class="comment">             *</span></div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;<span class="comment">             * Various apps, including WordStar for Windows and WaveEdit,</span></div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;<span class="comment">             * depend on this behavior.  Here&#39;s how WaveEdit relies on this: it</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;<span class="comment">             * has a CS_HDREDRAW | CS_VREDRAW window, that moves its children</span></div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="comment">             * around with MoveWindow( ..., fRedraw = FALSE).  The windows</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="comment">             * not part of the new client area didn&#39;t get invalidated.</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;            <span class="keywordflow">if</span> (!TestWF(pwnd, WFWIN31COMPAT) &amp;&amp; (hrgn == MAXREGION)) {</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160; </div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="comment">                 * For purposes of hit-testing, our share is our window</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="comment">                 * rectangle.  However, we don&#39;t want to diddle the region</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;<span class="comment">                 * passed to us, because by rights we&#39;re really clipped out!</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;                flags &amp;= ~RDW_SUBTRACTSELF;</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;                flagsChildren &amp;= ~RDW_SUBTRACTSELF;</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160; </div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;                <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;            }</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;        }</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160; </div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;<span class="comment">         * If our window rect doesn&#39;t intersect the valid/invalid region,</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;<span class="comment">         * nothing further to do.</span></div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;        <span class="keywordflow">if</span> (hrgn &gt; MAXREGION) {</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160; </div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;            <span class="keywordflow">switch</span> (<a class="code" href="a00896.html#ad963b98e5e1a8c5a0713ed48f1368405">SmartRectInRegion</a>(hrgn, &amp;rcOurShare)) {</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;            <span class="keywordflow">case</span> <a class="code" href="a00896.html#adbc73e3d4696e50274abed881c65d980">RIR_OUTSIDE</a>:</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;                <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160; </div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;            <span class="keywordflow">case</span> <a class="code" href="a00896.html#a059a937f154912751dafe2ee447cf806">RIR_INTERSECT</a>:</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160; </div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;<span class="comment">                 * The update region can be within the window rect but not</span></div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;<span class="comment">                 * touch the window region; in this case we don&#39;t want this</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="comment">                 * update region to be distributed to this window. If this</span></div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="comment">                 * is the case, return TRUE as if RIR_OUTSIDE.</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="comment">                 *</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment">                 * If RDW_HASWINDOWRGN is set, either this window or</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="comment">                 * one of its parents has a window clipping region. This</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;<span class="comment">                 * flag is just an optimization so that this loop isn&#39;t</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;<span class="comment">                 * executed all the time.</span></div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;<span class="comment">                 *</span></div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;<span class="comment">                 * A future optimization may be to calculate this parent</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;<span class="comment">                 * clipped region as part of recursion like prcParents is</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;<span class="comment">                 * calculated. It is not super important though because this</span></div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;<span class="comment">                 * case rarely happens (a window with a region), and even</span></div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;<span class="comment">                 * more rare, a regional window that is a child of a regional</span></div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;<span class="comment">                 * window parent.</span></div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;                <span class="keywordflow">if</span> (flags &amp; RDW_HASWINDOWRGN) {</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160; </div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="comment">                     * Clip to the window&#39;s clipping region and parents!</span></div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;<span class="comment">                     * If we don&#39;t clip to parents, we may get a case where</span></div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="comment">                     * a child clips out some update region that was meant to</span></div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;<span class="comment">                     * go to a sibling of the parent.</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;                    GreSetRectRgn(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>,</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;                                  rcOurShare.left,</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;                                  rcOurShare.top,</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;                                  rcOurShare.right,</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;                                  rcOurShare.bottom);</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160; </div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;                    <span class="keywordflow">for</span> (pwndT = pwnd; pwndT != NULL; pwndT = pwndT-&gt;<a class="code" href="a02581.html#a6053af0b243b6737640988eb63081de3">spwndParent</a>) {</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160; </div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;                        <span class="keywordflow">if</span> (pwndT-&gt;<a class="code" href="a02581.html#a860be5351f601ab541124507007056aa">hrgnClip</a> != NULL) {</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160; </div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;                            <span class="comment">/*</span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="comment">                             * An error at this stage would possibly result</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;<span class="comment">                             * in more being subtracted out of the clipping</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;<span class="comment">                             * region that we&#39;d like.</span></div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;<span class="comment">                             */</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;                            IntersectRgn(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, <a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, pwndT-&gt;<a class="code" href="a02581.html#a860be5351f601ab541124507007056aa">hrgnClip</a>);</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;                        }</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;                    }</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160; </div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;                    <span class="keywordflow">if</span> (IntersectRgn(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, <a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, hrgn) == NULLREGION)</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;                        <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;                }</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160; </div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;            <span class="keywordflow">case</span> <a class="code" href="a00896.html#ac7435691056fe04715985fddcd1504b0">RIR_INSIDE</a>:</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;<span class="comment">                 * If the rectangle is completely within hrgn, then we can use</span></div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;<span class="comment">                 * MAXREGION, which is much faster and easier to deal with.</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;<span class="comment">                 *</span></div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;<span class="comment">                 * COMPAT HACK:  There are some apps (PP, MSDRAW) that depend</span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;<span class="comment">                 * on some weirdities of the 3.0 GetUpdateRect in order to</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="comment">                 * paint properly.  Since this stuff hinges on whether the</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;<span class="comment">                 * update region is 1 or a real region, we need to simulate</span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;<span class="comment">                 * when 3.0 would generate a HRGN(1) update region.  The</span></div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;<span class="comment">                 * following optimization was not made in 3.0, so we yank it</span></div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;<span class="comment">                 * in 3.1 for these apps.  (win31 bugs 8235,10380)</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;                <span class="keywordflow">if</span> (!(<a class="code" href="a00263.html#af0277284ad14b2b685eb0dcb1f506323">GetAppCompatFlags</a>(GETPTI(pwnd)) &amp; GACF_NOHRGN1))</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;                    hrgn = MAXREGION;</div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;            }</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;        }</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;    }</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160; </div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;<span class="comment">     * Go diddle the update region (BEFORE our clipped children have</span></div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;<span class="comment">     * done their thing to hrgnSubtract)</span></div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;    <span class="keywordflow">if</span> (!TestWF(pwnd, WFCLIPCHILDREN))</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;        <a class="code" href="a00896.html#a6538450521dc4179a60dc0ec52bb6bb8">InternalInvalidate3</a>(pwnd, hrgn, flags);</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160; </div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;<span class="comment">     * If this is a GACF_ALWAYSSENDNCPAINT app, take care of it...</span></div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;    <span class="keywordflow">if</span> (TestWF(pwnd, WFALWAYSSENDNCPAINT))</div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;        <a class="code" href="a00896.html#a0e9ad69f6b473c9c76b5693e0d1d524e">PixieHack</a>(pwnd, &amp;rcOurShare);</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160; </div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;<span class="comment">     * Recurse on our children if necessary.</span></div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;<span class="comment">     * By default, our children are enumerated if we are not CLIPCHILDREN.</span></div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;<span class="comment">     * Don&#39;t bother with children if we&#39;re minimized.</span></div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    <span class="keywordflow">if</span> ((pwnd-&gt;<a class="code" href="a02581.html#a6171c9000ea2060597a9bcf498ee0316">spwndChild</a> != NULL) &amp;&amp;</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;        !TestWF(pwnd, WFMINIMIZED) &amp;&amp;</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;        !(flags &amp; RDW_NOCHILDREN)  &amp;&amp;</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;        ((flags &amp; RDW_ALLCHILDREN) || !TestWF(pwnd, WFCLIPCHILDREN))) {</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160; </div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;        RECT rcChildrenShare;</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;        <a class="code" href="a02581.html">PWND</a> pwndChild;</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160; </div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;<span class="comment">         * If we&#39;re invalidating, framing, or erasing,</span></div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;<span class="comment">         * make sure our children erase and frame themselves.</span></div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;<span class="comment">         * Also, tell children to subtract themselves from hrgnSubtract.</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;        <span class="keywordflow">if</span> (flags &amp; (RDW_INVALIDATE))</div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;            flagsChildren |= RDW_ERASE | RDW_FRAME;</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160; </div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;<span class="comment">         * Our children are clipped to our client rect, so reflect</span></div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;<span class="comment">         * that in the rectangle we give them.</span></div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="a00935.html#a1c87c29903dd37145cd93b64140a5d3a">IntersectRect</a>(&amp;rcChildrenShare, &amp;rcOurShare, &amp;pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>) ||</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;            (!TestWF(pwnd, WFWIN31COMPAT) &amp;&amp; (hrgn == MAXREGION))) {</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160; </div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;            <span class="keywordflow">for</span> (pwndChild = pwnd-&gt;<a class="code" href="a02581.html#a6171c9000ea2060597a9bcf498ee0316">spwndChild</a>; pwndChild != NULL;</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;                    pwndChild = pwndChild-&gt;<a class="code" href="a02581.html#af729b7de7a8fb84b70b70c4b401ce789">spwndNext</a>) {</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160; </div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;                <span class="keywordflow">if</span> (!TestWF(pwndChild, WFVISIBLE))</div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;                    <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160; </div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;                <span class="keywordflow">if</span> (!<a class="code" href="a00896.html#ab6a4ddd732c403d0defe59c1cc87e829">InternalInvalidate2</a>(pwndChild,</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;                                         hrgn,</div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;                                         hrgnSubtract,</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;                                         &amp;rcChildrenShare,</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;                                         flagsChildren)) {</div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160; </div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;<span class="comment">                     * The children swallowed the region:</span></div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;<span class="comment">                     * If there are no update region related things</span></div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;<span class="comment">                     * to do then we can just return with FALSE</span></div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;                    <span class="keywordflow">if</span> (!(flags &amp; (RDW_INTERNALPAINT | RDW_NOINTERNALPAINT)))</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;                        <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160; </div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;<span class="comment">                     * We have to enumerate the rest of the children because</span></div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;<span class="comment">                     * one of the RDW_NO/INTERNALPAINT bits is set.  Since</span></div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;<span class="comment">                     * there&#39;s no longer any update region to worry about,</span></div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;<span class="comment">                     * strip out the update region bits from the parent</span></div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;<span class="comment">                     * and child fiags.  Also, tell the children not to</span></div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;<span class="comment">                     * bother subtracting themselves from the region.</span></div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;                    flags &amp;= ~(RDW_INVALIDATE |</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;                               RDW_ERASE      |</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;                               RDW_FRAME      |</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;                               RDW_VALIDATE   |</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;                               RDW_NOERASE    |</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;                               RDW_NOFRAME);</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160; </div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;                    flagsChildren &amp;= ~(RDW_INVALIDATE |</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;                                       RDW_ERASE      |</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;                                       RDW_FRAME      |</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;                                       RDW_VALIDATE   |</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;                                       RDW_NOERASE    |</div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;                                       RDW_NOFRAME    |</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;                                       RDW_SUBTRACTSELF);</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;                }</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;            }</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;        }</div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;    }</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160; </div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;<span class="comment">     * Go diddle the update region  (AFTER our clipped children have</span></div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;<span class="comment">     * done their thing to hrgnSubtract)</span></div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;    <span class="keywordflow">if</span> (TestWF(pwnd, WFCLIPCHILDREN))</div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;        <a class="code" href="a00896.html#a6538450521dc4179a60dc0ec52bb6bb8">InternalInvalidate3</a>(pwnd, hrgn, flags);</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160; </div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;<span class="comment">     * If we&#39;re invalidating and we&#39;re supposed to,</span></div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;<span class="comment">     * try to subtract off our window area from the region.</span></div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;<span class="comment">     * This way our parent and our siblings below us will not</span></div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;<span class="comment">     * get any update region for areas that don&#39;t need one.</span></div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;    <span class="keywordflow">if</span> (flags &amp; RDW_SUBTRACTSELF) {</div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160; </div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;<span class="comment">         * Subtract our visible region from the update rgn only if:</span></div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;<span class="comment">         * a) we&#39;re not a transparent window</span></div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="comment">         * b) we are clipsiblings</span></div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;<span class="comment">         * c) we&#39;re validating OR our parent is clipchildren.</span></div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;<span class="comment">         * The check for validation is a backward-compatibility hack: this</span></div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;<span class="comment">         * is what 3.0 did, so this is what we do here.</span></div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;<span class="comment">         * BACKWARD COMPATIBILITY HACK</span></div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;<span class="comment">         * In 3.0, we subtracted this window from the update rgn if it</span></div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;<span class="comment">         * was clipsiblings, even if the parent was not clipchildren.</span></div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;<span class="comment">         * This causes a compatibility problem for Lotus Notes 3.1: it</span></div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;<span class="comment">         * has a combobox dropdown in a dialog that is a WS_CLIPSIBLING</span></div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;<span class="comment">         * sibling of the other dialog controls, which are not WS_CLIPSIBLINGs.</span></div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;<span class="comment">         * The dialog is not WS_CLIPCHILDREN.  What happens is that a listbox</span></div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;<span class="comment">         * underneath the dropdown also gets a paint msg (since we didn&#39;t</span></div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;<span class="comment">         * do this subtraction), and, since it&#39;s not CLIPSIBLINGS, it</span></div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;<span class="comment">         * obliterates the dropdown.</span></div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;<span class="comment">         * This is a very obscure difference, and it&#39;s too late in the</span></div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;<span class="comment">         * project to make this change now, so we&#39;re leaving the code as is</span></div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;<span class="comment">         * and using a compatibility hack to enable the 3.0-compatible</span></div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;<span class="comment">         * behavior.  It&#39;s quite likely that this code works the way it does</span></div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;<span class="comment">         * for other compatibility reasons.  Sigh (neilk).</span></div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;        <span class="keywordflow">if</span> (!TestWF(pwnd, WEFTRANSPARENT) &amp;&amp;</div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;            TestWF(pwnd, WFCLIPSIBLINGS)  &amp;&amp;</div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;            ((flags &amp; RDW_VALIDATE) ||</div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;                 ((pwnd-&gt;<a class="code" href="a02581.html#a6053af0b243b6737640988eb63081de3">spwndParent</a> != NULL) &amp;&amp;</div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;                 (TestWF(pwnd-&gt;<a class="code" href="a02581.html#a6053af0b243b6737640988eb63081de3">spwndParent</a>, WFCLIPCHILDREN) ||</div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;                 (<a class="code" href="a00263.html#af0277284ad14b2b685eb0dcb1f506323">GetAppCompatFlags</a>(GETPTI(pwnd)) &amp; GACF_SUBTRACTCLIPSIBS))))) {</div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160; </div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;<span class="comment">             * Intersect with our visible area.</span></div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;<span class="comment">             *</span></div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;<span class="comment">             * Don&#39;t worry about errors: an error will result in more, not less</span></div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;<span class="comment">             * area being invalidated, which is okay.</span></div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;            GreSetRectRgn(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>,</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;                          rcOurShare.left,</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;                          rcOurShare.top,</div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;                          rcOurShare.right,</div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;                          rcOurShare.bottom);</div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160; </div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;<span class="comment">             * If RDW_HASWINDOWRGN is set, either this window or</span></div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;<span class="comment">             * one of its parents has a window clipping region. This</span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;<span class="comment">             * flag is just an optimization so that this loop isn&#39;t</span></div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;<span class="comment">             * executed all the time.</span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;            <span class="keywordflow">if</span> (flags &amp; RDW_HASWINDOWRGN) {</div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160; </div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;<span class="comment">                 * Clip to the window&#39;s clipping region and parents!</span></div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;<span class="comment">                 * If we don&#39;t clip to parents, we may get a case where</span></div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;<span class="comment">                 * a child clips out some update region that was meant to</span></div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;<span class="comment">                 * go to a sibling of the parent.</span></div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;                <span class="keywordflow">for</span> (pwndT = pwnd; pwndT != NULL; pwndT = pwndT-&gt;<a class="code" href="a02581.html#a6053af0b243b6737640988eb63081de3">spwndParent</a>) {</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160; </div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;                    <span class="keywordflow">if</span> (pwndT-&gt;<a class="code" href="a02581.html#a860be5351f601ab541124507007056aa">hrgnClip</a> != NULL) {</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160; </div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;                        <span class="comment">/*</span></div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;<span class="comment">                         * An error at this stage would possibly result in more</span></div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;<span class="comment">                         * being subtracted out of the clipping region that</span></div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;<span class="comment">                         * we&#39;d like.</span></div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;<span class="comment">                         */</span></div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;                        IntersectRgn(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, <a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, pwndT-&gt;<a class="code" href="a02581.html#a860be5351f601ab541124507007056aa">hrgnClip</a>);</div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;                    }</div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;                }</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;            }</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160; </div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160; </div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;<span class="preprocessor">#if 1</span></div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;<span class="comment">             * TEMP HACK!!! RE-ENABLE this code when regions work again</span></div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;            <span class="keywordflow">if</span> (SubtractRgn(hrgnSubtract, hrgnSubtract, <a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>) == NULLREGION)</div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;                <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;            {</div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;            <a class="code" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> iRet;</div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160; </div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;            iRet = SubtractRgn(hrgnSubtract, hrgnSubtract, <a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>);</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160; </div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;            <span class="keywordflow">if</span> (iRet == NULLREGION)</div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;                <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160; </div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;            <span class="keywordflow">if</span> (iRet == SIMPLEREGION) {</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;                RECT rcSub;</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;                GreGetRgnBox(hrgnSubtract, &amp;rcSub);</div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;                <span class="keywordflow">if</span> (rcSub.left &gt; rcSub.right)</div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;                    <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;            }</div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;            }</div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160; </div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160; </div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160; </div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;        }</div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;    }</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160; </div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;    <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00563_source.html#l00175">DWORD</a>, <a class="el" href="a00263_source.html#l00457">GetAppCompatFlags()</a>, <a class="el" href="a00365_source.html#l01427">tagWND::hrgnClip</a>, <a class="el" href="a03257_source.html#l00455">hrgnInv2</a>, <a class="el" href="a00896_source.html#l00743">InternalInvalidate3()</a>, <a class="el" href="a00935_source.html#l00184">IntersectRect()</a>, <a class="el" href="a00896_source.html#l00243">PixieHack()</a>, <a class="el" href="a00365_source.html#l01399">tagWND::rcClient</a>, <a class="el" href="a00365_source.html#l01398">tagWND::rcWindow</a>, <a class="el" href="a00896_source.html#l00026">RIR_INSIDE</a>, <a class="el" href="a00896_source.html#l00025">RIR_INTERSECT</a>, <a class="el" href="a00896_source.html#l00024">RIR_OUTSIDE</a>, <a class="el" href="a00896_source.html#l00159">SmartRectInRegion()</a>, <a class="el" href="a00365_source.html#l01393">tagWND::spwndChild</a>, <a class="el" href="a00365_source.html#l01391">tagWND::spwndNext</a> , 以及 <a class="el" href="a00365_source.html#l01392">tagWND::spwndParent</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00896_source.html#l00984">ValidateParents()</a> , 以及 <a class="el" href="a00896_source.html#l01257">xxxInternalInvalidate()</a>.</p>

</div>
</div>
<a id="a6538450521dc4179a60dc0ec52bb6bb8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6538450521dc4179a60dc0ec52bb6bb8">&#9670;&nbsp;</a></span>InternalInvalidate3()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">VOID InternalInvalidate3 </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgn</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a>&#160;</td>
          <td class="paramname"><em>flags</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00743">743</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;{</div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;    BOOL fNeededPaint;</div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160; </div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;    fNeededPaint = NEEDSPAINT(pwnd);</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160; </div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;    <span class="keywordflow">if</span> (flags &amp; (RDW_INVALIDATE | RDW_INTERNALPAINT | RDW_ERASE | RDW_FRAME)) {</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160; </div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;        <span class="keywordflow">if</span> (flags &amp; RDW_INTERNALPAINT)</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;            SetWF(pwnd, WFINTERNALPAINT);</div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160; </div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;        <span class="keywordflow">if</span> (flags &amp; RDW_INVALIDATE) {</div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160; </div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;<span class="comment">             * Make sure that the NONCPAINT bit is cleared</span></div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;<span class="comment">             * to ensure that the caption will redraw when we update.</span></div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;            ClrWF(pwnd, WFNONCPAINT);</div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160; </div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;<span class="comment">             * If another app is invalidating this window, then set the</span></div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;<span class="comment">             * UPDATEDIRTY flag.</span></div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;<span class="comment">             *</span></div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;<span class="comment">             * Solves critical section where thread A draws, then validates,</span></div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;<span class="comment">             * but thread B goes and invalidates before A validates.</span></div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;<span class="comment">             * See comments later in RDW_VALIDATE code.</span></div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;            <span class="keywordflow">if</span> (GETPTI(pwnd) != <a class="code" href="a00257.html#a8315d2c807ba18ba9e528c40614b6173">PtiCurrent</a>()) {</div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160; </div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;                SetWF(pwnd, WFUPDATEDIRTY);</div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160; </div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;<span class="comment">                 * Paint order problem, see paint.c</span></div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;                <span class="keywordflow">if</span> (TestWF(pwnd, WFWMPAINTSENT)) {</div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;                    SetWF(pwnd, WFDONTVALIDATE);</div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;                }</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;            }</div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160; </div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;<span class="comment">             * BACKWARD COMPATIBILITY HACK</span></div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;<span class="comment">             *</span></div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;<span class="comment">             * In 3.0, InvalidateRect(pwnd, NULL, FALSE) would always</span></div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;<span class="comment">             * clear the WFSENDERASEBKGND flag, even if it was previously</span></div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;<span class="comment">             * set from an InvalidateRect(pwnd, NULL, TRUE).  This is bogus,</span></div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;<span class="comment">             * because it can cause you to &quot;lose&quot; WM_ERASEBKGND messages, but</span></div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;<span class="comment">             * AttachMate Extra (and maybe other apps) depend on this behavior.</span></div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;            <span class="keywordflow">if</span> ((hrgn == MAXREGION) &amp;&amp; !TestWF(pwnd, WFWIN31COMPAT))</div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;                ClrWF(pwnd, WFSENDERASEBKGND);</div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160; </div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;            <span class="keywordflow">if</span> (flags &amp; RDW_ERASE)</div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;                SetWF(pwnd, WFSENDERASEBKGND);</div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160; </div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;            <span class="keywordflow">if</span> ((flags &amp; (RDW_FRAME | RDW_ERASE)) &amp;&amp; !TestWF(pwnd, WEFTRANSPARENT))</div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;                <a class="code" href="a00707.html#a48bb45e87305209ffdf6f40438cdb8f5">SetHungFlag</a>(pwnd, WFREDRAWIFHUNG);</div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160; </div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;            <span class="keywordflow">if</span> (flags &amp; RDW_FRAME)</div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;                SetWF(pwnd, WFSENDNCPAINT);</div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160; </div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;<span class="comment">             * If window is already completely invalidated,</span></div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;<span class="comment">             * no need to do any further invalidation.</span></div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;            <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> != MAXREGION) {</div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160; </div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;                <span class="keywordflow">if</span> (hrgn == MAXREGION) {</div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;InvalidateAll:</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;                    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> &gt; MAXREGION)</div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;                        GreDeleteObject(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>);</div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160; </div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;                    pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> = MAXREGION;</div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160; </div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;                } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160; </div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;                    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == NULL) {</div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160; </div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;                        <span class="keywordflow">if</span> (!(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> = GreCreateRectRgn(0, 0, 0, 0)))</div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;                            <span class="keywordflow">goto</span> InvalidateAll;</div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160; </div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;                        <span class="keywordflow">if</span> (CopyRgn(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>, hrgn) == ERROR)</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;                            <span class="keywordflow">goto</span> InvalidateAll;</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160; </div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;                    } <span class="keywordflow">else</span> {   <span class="comment">// pwnd-&gt;hrgnUpdate is a region</span></div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160; </div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;                        <span class="keywordflow">if</span> (UnionRgn(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>,</div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;                                     pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>,</div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;                                     hrgn) == ERROR) {</div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160; </div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;                            <span class="keywordflow">goto</span> InvalidateAll;</div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;                        }</div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;                    }</div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160; </div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;                    GreSetRegionOwner(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>, OBJECT_OWNER_PUBLIC);</div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;                }</div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;            }</div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;        }</div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160; </div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;        <span class="keywordflow">if</span> (!fNeededPaint &amp;&amp; NEEDSPAINT(pwnd))</div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;            <a class="code" href="a00812.html#a2134880cb94c8a7a50553a9aa01baac5">IncPaintCount</a>(pwnd);</div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160; </div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (flags &amp; (RDW_VALIDATE | RDW_NOINTERNALPAINT | RDW_NOERASE | RDW_NOFRAME)) {</div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160; </div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;<span class="comment">         * Validation:</span></div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;<span class="comment">         * Do not allow validation if this window has been invalidated from</span></div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;<span class="comment">         * another process - because this window may be validating just</span></div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;<span class="comment">         * after another process invalidated, thereby validating invalid</span></div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;<span class="comment">         * bits.</span></div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;<span class="comment">         * Sometimes applications draw stuff, then validate what they drew.</span></div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;<span class="comment">         * If another app invalidated some area during the drawing operation,</span></div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;<span class="comment">         * then it will need another paint message.</span></div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;<span class="comment">         * This wouldn&#39;t be necessary if people validated BEFORE they drew.</span></div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;        <span class="keywordflow">if</span> (TestWF(pwnd, WFUPDATEDIRTY) &amp;&amp; !(flags &amp; <a class="code" href="a00896.html#ad7da6f024015a3ec7f8246dc94081ed4">RDW_IGNOREUPDATEDIRTY</a>))</div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160; </div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;        <span class="keywordflow">if</span> (flags &amp; RDW_NOINTERNALPAINT)</div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;            ClrWF(pwnd, WFINTERNALPAINT);</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160; </div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;        <span class="keywordflow">if</span> (flags &amp; RDW_VALIDATE) {</div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160; </div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;            <span class="keywordflow">if</span> (flags &amp; RDW_NOERASE)</div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;                ClrWF(pwnd, WFSENDERASEBKGND);</div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160; </div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;            <span class="keywordflow">if</span> (flags &amp; RDW_NOFRAME) {</div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;                ClrWF(pwnd, WFSENDNCPAINT);</div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;                ClrWF(pwnd, WFPIXIEHACK);</div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;            }</div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160; </div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;            <span class="keywordflow">if</span> (flags &amp; (RDW_NOERASE | RDW_NOFRAME))</div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;                <a class="code" href="a00707.html#a7b701c471095556c70f025c65f4fb4e3">ClearHungFlag</a>(pwnd, WFREDRAWIFHUNG);</div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160; </div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;            <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> != NULL) {</div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160; </div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;<span class="comment">                 * If WFSENDNCPAINT is set, then all or part of the</span></div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;<span class="comment">                 * window border still needs to be drawn.  This means</span></div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;<span class="comment">                 * that we must subtract off the client rectangle only.</span></div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;<span class="comment">                 * Convert MAXREGION to the client region.</span></div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;                <span class="keywordflow">if</span> (TestWF(pwnd, WFSENDNCPAINT) &amp;&amp; (hrgn == MAXREGION)) {</div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;                    hrgn = <a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>;</div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;                    <a class="code" href="a00899.html#a3951e09f86bf9c4209d51c55b5fa3938">CalcWindowRgn</a>(pwnd, hrgn, TRUE);</div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;                }</div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160; </div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;                <span class="keywordflow">if</span> (hrgn == MAXREGION) {</div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;ValidateAll:</div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160; </div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;<span class="comment">                     * We&#39;re validating the entire window.  Just</span></div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;<span class="comment">                     * blow away the update region.</span></div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;                    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> &gt; MAXREGION)</div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;                        GreDeleteObject(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>);</div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160; </div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;                    pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> = (HRGN)NULL;</div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160; </div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;<span class="comment">                     * No need to erase the background...</span></div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;                    ClrWF(pwnd, WFSENDERASEBKGND);</div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;                    <a class="code" href="a00707.html#a7b701c471095556c70f025c65f4fb4e3">ClearHungFlag</a>(pwnd, WFREDRAWIFHUNG);</div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160; </div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;                } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160; </div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;<span class="comment">                     * Subtracting some region from pwnd-&gt;hrgnUpdate.</span></div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;<span class="comment">                     * Be sure pwnd-&gt;hrgnUpdate is a real region.</span></div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;                    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == MAXREGION) {</div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160; </div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;                        <span class="comment">/*</span></div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;<span class="comment">                         * If the WFSENDNCPAINT bit is set,</span></div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;<span class="comment">                         * the update region must include the entire window</span></div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;<span class="comment">                         * area.  Otherwise it includes only the client.</span></div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;<span class="comment">                         */</span></div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;                        pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> = GreCreateRectRgn(0, 0, 0, 0);</div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160; </div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;                        <span class="comment">/*</span></div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;<span class="comment">                         * If the creation failed, punt by</span></div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;<span class="comment">                         * invalidating the entire window.</span></div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;<span class="comment">                         */</span></div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;                        <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == NULL)</div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;                            <span class="keywordflow">goto</span> InvalidateAll;</div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160; </div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;                        GreSetRegionOwner(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>, OBJECT_OWNER_PUBLIC);</div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160; </div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;                        <span class="keywordflow">if</span> (<a class="code" href="a00899.html#a3951e09f86bf9c4209d51c55b5fa3938">CalcWindowRgn</a>(pwnd,</div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;                                          pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>,</div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;                                          !(TestWF(pwnd, WFSENDNCPAINT))) == ERROR) {</div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160; </div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;                            <span class="keywordflow">goto</span> InvalidateAll;</div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;                        }</div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;                    }</div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160; </div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;<span class="comment">                     * Subtract off the region.  If we get an error,</span></div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;<span class="comment">                     * punt by invalidating everything.  If the</span></div>
<div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;<span class="comment">                     * region becomes empty, then validate everything.</span></div>
<div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;                    <span class="keywordflow">switch</span> (SubtractRgn(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>,</div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;                                        pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>,</div>
<div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;                                        hrgn)) {</div>
<div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;                    <span class="keywordflow">case</span> ERROR:</div>
<div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;                        <span class="keywordflow">goto</span> InvalidateAll;</div>
<div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160; </div>
<div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160;                    <span class="keywordflow">case</span> NULLREGION:</div>
<div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;                        <span class="keywordflow">goto</span> ValidateAll;</div>
<div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;                    }</div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;                }</div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;            }</div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;        }</div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160; </div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;        <span class="keywordflow">if</span> (fNeededPaint &amp;&amp; !NEEDSPAINT(pwnd))</div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;            <a class="code" href="a00812.html#a43390a3a6160237c8f96b0cf0f994bde">DecPaintCount</a>(pwnd);</div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;    }</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00905_source.html#l00490">CalcWindowRgn()</a>, <a class="el" href="a00707_source.html#l00093">ClearHungFlag()</a>, <a class="el" href="a00812_source.html#l01221">DecPaintCount()</a>, <a class="el" href="a03257_source.html#l00455">hrgnInv2</a>, <a class="el" href="a00365_source.html#l01406">tagWND::hrgnUpdate</a>, <a class="el" href="a00812_source.html#l01197">IncPaintCount()</a>, <a class="el" href="a00263_source.html#l00526">PtiCurrent()</a>, <a class="el" href="a00896_source.html#l00028">RDW_IGNOREUPDATEDIRTY</a> , 以及 <a class="el" href="a00707_source.html#l00031">SetHungFlag()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00812_source.html#l00431">_EndPaint()</a> , 以及 <a class="el" href="a00896_source.html#l00369">InternalInvalidate2()</a>.</p>

</div>
</div>
<a id="a3333b91812c4eafd509d41303eb0100f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3333b91812c4eafd509d41303eb0100f">&#9670;&nbsp;</a></span>IntersectWithParents()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BOOL IntersectWithParents </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">LPRECT&#160;</td>
          <td class="paramname"><em>lprc</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l01700">1700</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;{</div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;    <span class="keywordflow">while</span> ((pwnd = pwnd-&gt;<a class="code" href="a02581.html#a6053af0b243b6737640988eb63081de3">spwndParent</a>) != NULL) {</div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160; </div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;        <span class="keywordflow">if</span> (!TestWF(pwnd, WFVISIBLE) || TestWF(pwnd, WFMINIMIZED))</div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160;            <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160; </div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="a00935.html#a1c87c29903dd37145cd93b64140a5d3a">IntersectRect</a>(lprc, lprc, &amp;pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>))</div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>&#160;            <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>&#160;    }</div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>&#160; </div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>&#160;    <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00935_source.html#l00184">IntersectRect()</a>, <a class="el" href="a00365_source.html#l01399">tagWND::rcClient</a> , 以及 <a class="el" href="a00365_source.html#l01392">tagWND::spwndParent</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00860_source.html#l00267">SpbTransfer()</a>, <a class="el" href="a00896_source.html#l00984">ValidateParents()</a>, <a class="el" href="a00896_source.html#l01467">xxxGetUpdateRect()</a>, <a class="el" href="a00896_source.html#l01598">xxxGetUpdateRgn()</a> , 以及 <a class="el" href="a00896_source.html#l01257">xxxInternalInvalidate()</a>.</p>

</div>
</div>
<a id="a0e9ad69f6b473c9c76b5693e0d1d524e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0e9ad69f6b473c9c76b5693e0d1d524e">&#9670;&nbsp;</a></span>PixieHack()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">VOID PixieHack </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">LPRECT&#160;</td>
          <td class="paramname"><em>prcBounds</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00243">243</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;{</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="comment">     * If a child intersects the update region, and it isn&#39;t already</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="comment">     * getting an NCPAINT, then make sure it gets one later.</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="comment">     * Don&#39;t apply this hack to top level windows.</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    <span class="keywordflow">if</span> ((pwnd != <a class="code" href="a03743.html#a6fff890dabd74b268fbcba3368ecc560">_GetDesktopWindow</a>()) &amp;&amp;</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;        TestWF(pwnd, WFCLIPCHILDREN)  &amp;&amp;</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        !TestWF(pwnd, WFMINIMIZED)) {</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160; </div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        RECT rc;</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160; </div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        <span class="keywordflow">for</span> (pwnd = pwnd-&gt;<a class="code" href="a02581.html#a6171c9000ea2060597a9bcf498ee0316">spwndChild</a>; pwnd; pwnd = pwnd-&gt;<a class="code" href="a02581.html#af729b7de7a8fb84b70b70c4b401ce789">spwndNext</a>) {</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160; </div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="comment">             * If the window isn&#39;t already getting an NCPAINT message,</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="comment">             * and it has a caption, and it&#39;s inside the bounding rect,</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="comment">             * make sure it gets a WM_NCPAINT with wParam == MAXREGION.</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            <span class="keywordflow">if</span> (!TestWF(pwnd, WFSENDNCPAINT)                      &amp;&amp;</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;                (TestWF(pwnd, WFBORDERMASK) == LOBYTE(WFCAPTION)) &amp;&amp;</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;                <a class="code" href="a00935.html#a1c87c29903dd37145cd93b64140a5d3a">IntersectRect</a>(&amp;rc, prcBounds, &amp;pwnd-&gt;<a class="code" href="a02581.html#a2778d611c2b27395e559c94d05732e1f">rcWindow</a>)) {</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160; </div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="comment">                 * Sync paint count is incremented when</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="comment">                 * (senderasebkgnd | sendncpaint) goes from 0 to != 0.</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="comment">                 * (should make a routine out of this!)</span></div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;                SetWF(pwnd, WFSENDNCPAINT);</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160; </div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="comment">                 * Force MAXREGION clip rgn.</span></div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;                SetWF(pwnd, WFPIXIEHACK);</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;            }</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        }</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    }</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a03743_source.html#l00229">_GetDesktopWindow()</a>, <a class="el" href="a00935_source.html#l00184">IntersectRect()</a>, <a class="el" href="a00365_source.html#l01398">tagWND::rcWindow</a>, <a class="el" href="a00365_source.html#l01393">tagWND::spwndChild</a> , 以及 <a class="el" href="a00365_source.html#l01391">tagWND::spwndNext</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00896_source.html#l00369">InternalInvalidate2()</a>.</p>

</div>
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<a id="ad963b98e5e1a8c5a0713ed48f1368405"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad963b98e5e1a8c5a0713ed48f1368405">&#9670;&nbsp;</a></span>SmartRectInRegion()</h2>

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          <td class="memname"><a class="el" href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT</a> SmartRectInRegion </td>
          <td>(</td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgn</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">LPRECT&#160;</td>
          <td class="paramname"><em>lprc</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00159">159</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;{</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    RECT rc;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160; </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keywordflow">if</span> (!GreRectInRegion(hrgn, lprc))</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="a00896.html#adbc73e3d4696e50274abed881c65d980">RIR_OUTSIDE</a>;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="comment">     * Algorithm: if the intersection of hrgn and *lprc is the</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="comment">     * same as *lprc, then *lprc is completely within hrgn.</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">     * If the region is a rectangular one, then do it the easy way.</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="keywordflow">if</span> (GreGetRgnBox(hrgn, &amp;rc) == SIMPLEREGION) {</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="a00935.html#a1c87c29903dd37145cd93b64140a5d3a">IntersectRect</a>(&amp;rc, &amp;rc, lprc))</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="a00896.html#adbc73e3d4696e50274abed881c65d980">RIR_OUTSIDE</a>;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160; </div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="a00935.html#a0cbc8750cb300c339ef3d2c0ca689f1a">EqualRect</a>(lprc, &amp;rc))</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="a00896.html#ac7435691056fe04715985fddcd1504b0">RIR_INSIDE</a>;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160; </div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160; </div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        GreSetRectRgn(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>,</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                      lprc-&gt;left,</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;                      lprc-&gt;top,</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;                      lprc-&gt;right,</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;                      lprc-&gt;bottom);</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160; </div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        <span class="keywordflow">switch</span> (IntersectRgn(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, <a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, hrgn)) {</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        <span class="keywordflow">case</span> SIMPLEREGION:</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            GreGetRgnBox(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, &amp;rc);</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="a00935.html#a0cbc8750cb300c339ef3d2c0ca689f1a">EqualRect</a>(lprc, &amp;rc))</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;                <span class="keywordflow">return</span> <a class="code" href="a00896.html#ac7435691056fe04715985fddcd1504b0">RIR_INSIDE</a>;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160; </div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="preprocessor">#define RECTINREGION_BUG</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="preprocessor">#ifdef RECTINREGION_BUG</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160; </div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="comment">         * NOTE: RectInRegion has a BUG, where it sometimes returns TRUE</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="comment">         * even if the rectangles of a region touch only on the edges</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="comment">         * with no overlap.  This will result in an empty region after</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="comment">         * the combination above.</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        <span class="keywordflow">case</span> NULLREGION:</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="a00896.html#adbc73e3d4696e50274abed881c65d980">RIR_OUTSIDE</a>;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;        }</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    }</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="a00896.html#a059a937f154912751dafe2ee447cf806">RIR_INTERSECT</a>;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;}</div>
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<p class="reference">引用了 <a class="el" href="a00935_source.html#l00285">EqualRect()</a>, <a class="el" href="a03257_source.html#l00455">hrgnInv2</a>, <a class="el" href="a00935_source.html#l00184">IntersectRect()</a>, <a class="el" href="a00896_source.html#l00026">RIR_INSIDE</a>, <a class="el" href="a00896_source.html#l00025">RIR_INTERSECT</a> , 以及 <a class="el" href="a00896_source.html#l00024">RIR_OUTSIDE</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00896_source.html#l00369">InternalInvalidate2()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a2ef829ca76ec2d553004ab030fbca1d2">&#9670;&nbsp;</a></span>ValidateParents()</h2>

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          <td class="memname">BOOL ValidateParents </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">BOOL&#160;</td>
          <td class="paramname"><em>fRecurse</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00984">984</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;{</div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;    RECT rcParents;</div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;    RECT rc;</div>
<div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;    <a class="code" href="a02581.html">PWND</a> pwndParent = pwnd;</div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;    BOOL fInit = FALSE;</div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160; </div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;<span class="comment">     * This is checking whether we are in an in-between state, just before</span></div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;<span class="comment">     * a WM_SYNCPAINT is about to arrive.  If not, then ValidateParents()</span></div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;<span class="comment">     * needs to work like it did in Win 3.1.</span></div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;    <span class="keywordflow">while</span> (TestWF(pwndParent, WFCHILD))</div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;        pwndParent = pwndParent-&gt;<a class="code" href="a02581.html#a6053af0b243b6737640988eb63081de3">spwndParent</a>;</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160; </div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;    <span class="keywordflow">if</span> (!TestWF(pwndParent, WFSYNCPAINTPENDING))</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;        fRecurse = FALSE;</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160; </div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;    pwndParent = pwnd;</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160; </div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;    <span class="keywordflow">while</span> ((pwndParent = pwndParent-&gt;<a class="code" href="a02581.html#a6053af0b243b6737640988eb63081de3">spwndParent</a>) != NULL) {</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160; </div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;<span class="comment">         * Stop when we find a clipchildren parent</span></div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;        <span class="keywordflow">if</span> (TestWF(pwndParent, WFCLIPCHILDREN))</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160; </div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;<span class="comment">         * Subtract the region from this parent&#39;s update region,</span></div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;<span class="comment">         * if it has one.</span></div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;        <span class="keywordflow">if</span> (pwndParent-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> != NULL) {</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;            <span class="keywordflow">if</span> (fRecurse) {</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;                <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;            }</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;            <span class="keywordflow">if</span> (!fInit) {</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;                fInit = TRUE;</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160; </div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;<span class="comment">                 * Do initial setup.  If our window rectangle is</span></div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;<span class="comment">                 * completely obscured, get out.</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160;                rc = pwnd-&gt;<a class="code" href="a02581.html#a2778d611c2b27395e559c94d05732e1f">rcWindow</a>;</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;                <span class="keywordflow">if</span> (!<a class="code" href="a00896.html#a3333b91812c4eafd509d41303eb0100f">IntersectWithParents</a>(pwnd, &amp;rc))</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;                    <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160; </div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;                GreSetRectRgn(<a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, rc.left, rc.top, rc.right, rc.bottom);</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160; </div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;<span class="comment">                 * If this window has a region, make sure the piece being validated</span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;<span class="comment">                 * is within this region.</span></div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;                <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a860be5351f601ab541124507007056aa">hrgnClip</a> != NULL) {</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160; </div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;<span class="comment">                     * If we get NULLREGION back, there is nothing to validate</span></div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;<span class="comment">                     * against parents, so break out. If ERROR gets returned,</span></div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;<span class="comment">                     * there is not much we can do: the best &quot;wrong&quot; thing</span></div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;<span class="comment">                     * to do is just continue and validate a little more</span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;<span class="comment">                     * from the parent.</span></div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;                    <span class="keywordflow">if</span> (!IntersectRgn(<a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, <a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>, pwnd-&gt;<a class="code" href="a02581.html#a860be5351f601ab541124507007056aa">hrgnClip</a>))</div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;                        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;                }</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;            }</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160; </div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;<span class="comment">             * Calculate the rcParents parameter to</span></div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;<span class="comment">             * pass up to InternalInvalidate2.</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;            rcParents = pwndParent-&gt;<a class="code" href="a02581.html#a2778d611c2b27395e559c94d05732e1f">rcWindow</a>;</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160; </div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;            <span class="keywordflow">if</span> (!<a class="code" href="a00896.html#a3333b91812c4eafd509d41303eb0100f">IntersectWithParents</a>(pwndParent, &amp;rcParents))</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160; </div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;            <a class="code" href="a00896.html#ab6a4ddd732c403d0defe59c1cc87e829">InternalInvalidate2</a>(</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;                    pwndParent,</div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;                    <a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>,</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;                    <a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>,</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;                    &amp;rcParents,</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;                    RDW_VALIDATE | RDW_NOCHILDREN | <a class="code" href="a00896.html#ad7da6f024015a3ec7f8246dc94081ed4">RDW_IGNOREUPDATEDIRTY</a>);</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;        }</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;    }</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160; </div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;    <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00365_source.html#l01427">tagWND::hrgnClip</a>, <a class="el" href="a03257_source.html#l00454">hrgnInv1</a>, <a class="el" href="a00365_source.html#l01406">tagWND::hrgnUpdate</a>, <a class="el" href="a00896_source.html#l00369">InternalInvalidate2()</a>, <a class="el" href="a00896_source.html#l01700">IntersectWithParents()</a>, <a class="el" href="a00365_source.html#l01398">tagWND::rcWindow</a>, <a class="el" href="a00896_source.html#l00028">RDW_IGNOREUPDATEDIRTY</a> , 以及 <a class="el" href="a00365_source.html#l01392">tagWND::spwndParent</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00896_source.html#l01082">xxxUpdateWindow2()</a>.</p>

</div>
</div>
<a id="ab40b149a3d9c965a24fd6db9923d8d43"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab40b149a3d9c965a24fd6db9923d8d43">&#9670;&nbsp;</a></span>xxxGetUpdateRect()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BOOL xxxGetUpdateRect </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">LPRECT&#160;</td>
          <td class="paramname"><em>lprc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">BOOL&#160;</td>
          <td class="paramname"><em>fErase</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l01467">1467</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;{</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160;    RECT rc;</div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160; </div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160; </div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;    <span class="keywordflow">if</span> (fErase)</div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;        <a class="code" href="a00812.html#a5fb5c8d8d77f78f43a8154e065390763">xxxSimpleDoSyncPaint</a>(pwnd);</div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160; </div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;<span class="comment">     * The app is looking at the update region: okay to allow window</span></div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;<span class="comment">     * validation.</span></div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;    ClrWF(pwnd, WFUPDATEDIRTY);</div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160; </div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == NULL) {</div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160; </div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;        <span class="keywordflow">if</span> (HIWORD(lprc) != 0)</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;            <a class="code" href="a00935.html#a6f9d1e9b327899127c080496900d48d9">SetRectEmpty</a>(lprc);</div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160; </div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;        <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160; </div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160; </div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;<span class="comment">         * We must handle the case where a window has an update region,</span></div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;<span class="comment">         * but it is completely obscured by its parents.  In this case, we</span></div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;<span class="comment">         * must validate the window and all its children, and return FALSE.</span></div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160;<span class="comment">         * An OffsetChildren() call resulting from SetWindowPos() or</span></div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;<span class="comment">         * ScrollWindowEx() will cause this to happen.  Update regions are</span></div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;<span class="comment">         * just offset without checking their new positions to see if they</span></div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;<span class="comment">         * are obscured by the parent(s).  This is too painful to check in</span></div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;<span class="comment">         * those cases, so we instead handle it here.</span></div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;<span class="comment">         * BeginPaint() handles this case correctly by returning an empty</span></div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;<span class="comment">         * rectangle, so nothing special need be done there.</span></div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;        <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == MAXREGION) {</div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160; </div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160;            rc = pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>;</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160; </div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160; </div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160;            <span class="keywordflow">switch</span> (GreGetRgnBox(pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>, &amp;rc)) {</div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160;            <span class="keywordflow">case</span> ERROR:</div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160;            <span class="keywordflow">case</span> NULLREGION:</div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160;                <a class="code" href="a00935.html#a6f9d1e9b327899127c080496900d48d9">SetRectEmpty</a>(&amp;rc);</div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160; </div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160;            <span class="keywordflow">case</span> SIMPLEREGION:</div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160;            <span class="keywordflow">case</span> COMPLEXREGION:</div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160;            }</div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160; </div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160;            <a class="code" href="a00935.html#a1c87c29903dd37145cd93b64140a5d3a">IntersectRect</a>(&amp;rc, &amp;rc, &amp;pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>);</div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>&#160;        }</div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160; </div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="a00896.html#a3333b91812c4eafd509d41303eb0100f">IntersectWithParents</a>(pwnd, &amp;rc)) {</div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160; </div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;            <a class="code" href="a00935.html#a59a3cfdacf3d0e5d10c20abee032cfc6">OffsetRect</a>(&amp;rc, -pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.left, -pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.top);</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160; </div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160;<span class="comment">             * If the window is CS_OWNDC, then we must map the returned</span></div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;<span class="comment">             * rectangle with DPtoLP, to ensure that the rectangle is</span></div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160;<span class="comment">             * in the same coordinate system as the rectangle returned</span></div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160;<span class="comment">             * by BeginPaint().</span></div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;<span class="comment">             *</span></div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160;<span class="comment">             * BUT ONLY IF hwnd-&gt;hrgnUpdate != MAXREGION! For true</span></div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160;<span class="comment">             * compatibility with 3.0.</span></div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160;            <span class="keywordflow">if</span> (TestCF(pwnd, CFOWNDC) &amp;&amp;</div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160;                (TestWF(pwnd, WFWIN31COMPAT) || pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> != MAXREGION)) {</div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160; </div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160;                <a class="code" href="a02909.html">PDCE</a> pdce;</div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160; </div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;<span class="comment">                 * Look up this window&#39;s DC in the cache, and use it to</span></div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160;<span class="comment">                 * map the returned rectangle.</span></div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;                <span class="keywordflow">for</span> (pdce = <a class="code" href="a03257.html#ab597263bdbb3441715804712fcf29e6d">gpDispInfo</a>-&gt;<a class="code" href="a02605.html#afb2df48c699295f358dd262c291570a2">pdceFirst</a>; pdce; pdce = pdce-&gt;<a class="code" href="a02909.html#a836027bc59a581f318ea7974231660a0">pdceNext</a>) {</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160; </div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160;                    <span class="keywordflow">if</span> (pdce-&gt;<a class="code" href="a02909.html#ab16914cf4ed2b07963809d957831ff0c">pwndOrg</a> == pwnd &amp;&amp; !(pdce-&gt;<a class="code" href="a02909.html#a29bb851466268efcf57e7e81e2d0ab09">flags</a> &amp; DCX_CACHE)) {</div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;                        GreDPtoLP(pdce-&gt;<a class="code" href="a02909.html#acc6792141787aadc4d90abe018db1e02">hdc</a>, (LPPOINT)&amp;rc, 2);</div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;                        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160;                    }</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160;                }</div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;            }</div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160; </div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160;           <a class="code" href="a00935.html#a6f9d1e9b327899127c080496900d48d9">SetRectEmpty</a>(&amp;rc);</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;        }</div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160;    }</div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160; </div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160;    <span class="keywordflow">if</span> (HIWORD(lprc) != 0)</div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;        *lprc = rc;</div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160; </div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;<span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;<span class="comment">     * If we&#39;re in the process a dragging a full window, mark the start</span></div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;<span class="comment">     * of the application painting. This is to make sure that if the</span></div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;<span class="comment">     * application calls DefWindowProc on the WM_PAINT after painting, we</span></div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>&#160;<span class="comment">     * won&#39;t erase the newly painted areas. Visual Slick calls GetUpdateRect</span></div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;<span class="comment">     * and then DefWindowProc.</span></div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160;<span class="comment">     * See other comments for xxxBeginPaint and xxxDWP_Paint.</span></div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160;<span class="comment">     * 8/3/94 johannec</span></div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;<span class="comment">     * NOTE: This causes other problems in vslick where some controls</span></div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160;<span class="comment">     *       won&#39;t paint.  Since the app doesn&#39;t call BeginPaint/EndPaint</span></div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;<span class="comment">     *       to truly set/clear the STARTPAINT flag, we do not clear this</span></div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160;<span class="comment">     *       bit. (6-27-1996 : ChrisWil).</span></div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="a03257.html#a7ca87f48ae6d19dc52eb190fafc51016">gfDraggingFullWindow</a>) {</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;        SetWF(pwnd, WFSTARTPAINT);</div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160;    }</div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>&#160; </div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>&#160;    <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a00899_source.html#l02466">tagDCE::flags</a>, <a class="el" href="a03257_source.html#l00037">gfDraggingFullWindow</a>, <a class="el" href="a03257_source.html#l00125">gpDispInfo</a>, <a class="el" href="a00899_source.html#l02460">tagDCE::hdc</a>, <a class="el" href="a00365_source.html#l01406">tagWND::hrgnUpdate</a>, <a class="el" href="a00935_source.html#l00184">IntersectRect()</a>, <a class="el" href="a00896_source.html#l01700">IntersectWithParents()</a>, <a class="el" href="a00935_source.html#l00132">OffsetRect()</a>, <a class="el" href="a00365_source.html#l01574">tagDISPLAYINFO::pdceFirst</a>, <a class="el" href="a00899_source.html#l02459">tagDCE::pdceNext</a>, <a class="el" href="a00899_source.html#l02461">tagDCE::pwndOrg</a>, <a class="el" href="a00365_source.html#l01399">tagWND::rcClient</a>, <a class="el" href="a00935_source.html#l00414">SetRectEmpty()</a> , 以及 <a class="el" href="a00812_source.html#l00704">xxxSimpleDoSyncPaint()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a03614_source.html#l04008">NtUserGetUpdateRect()</a>.</p>

</div>
</div>
<a id="a3e034442cf0455d5afbd69ba1f8c3211"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3e034442cf0455d5afbd69ba1f8c3211">&#9670;&nbsp;</a></span>xxxGetUpdateRgn()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int xxxGetUpdateRgn </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgn</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">BOOL&#160;</td>
          <td class="paramname"><em>fErase</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l01598">1598</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;{</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160;    RECT rc;</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;    <span class="keywordtype">int</span>  code;</div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160; </div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160; </div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;    <span class="keywordflow">if</span> (fErase)</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;        <a class="code" href="a00812.html#a5fb5c8d8d77f78f43a8154e065390763">xxxSimpleDoSyncPaint</a>(pwnd);</div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160; </div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160;<span class="comment">     * The application is looking at the update region: okay to</span></div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160;<span class="comment">     * allow validation</span></div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;    ClrWF(pwnd, WFUPDATEDIRTY);</div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160; </div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;    <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == NULL) {</div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160; </div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;ReturnEmpty:</div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160; </div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;        code = NULLREGION;</div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;        GreSetRectRgn(hrgn, 0, 0, 0, 0);</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160; </div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160; </div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160;        BOOL fNotEmpty;</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160; </div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;        rc = pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>;</div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160;        fNotEmpty = <a class="code" href="a00896.html#a3333b91812c4eafd509d41303eb0100f">IntersectWithParents</a>(pwnd, &amp;rc);</div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160; </div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160;        <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == MAXREGION) {</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160; </div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160;<span class="comment">             * Since the update region may be larger than the window</span></div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160;<span class="comment">             * rectangle, intersect it with the window rectangle.</span></div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160;            <span class="keywordflow">if</span> (!fNotEmpty) {</div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;                <span class="keywordflow">goto</span> ReturnEmpty;</div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160;            }</div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160; </div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;            code = SIMPLEREGION;</div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160; </div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;<span class="comment">             * Normalize the rectangle\region relative to the unclipped window</span></div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;            <a class="code" href="a00935.html#a59a3cfdacf3d0e5d10c20abee032cfc6">OffsetRect</a>(&amp;rc, -pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.left, -pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.top);</div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160; </div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;            GreSetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);</div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160; </div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160; </div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;            GreSetRectRgn(<a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, rc.left, rc.top, rc.right, rc.bottom);</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160;            code = IntersectRgn(hrgn, <a class="code" href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a>, pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>);</div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>&#160; </div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>&#160;            <span class="keywordflow">switch</span> (code) {</div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>&#160;            <span class="keywordflow">case</span> NULLREGION:</div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160;            <span class="keywordflow">case</span> ERROR:</div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160;                <span class="keywordflow">goto</span> ReturnEmpty;</div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160; </div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160;            <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160;                GreOffsetRgn(hrgn, -pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.left, -pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.top);</div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160;            }</div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160;        }</div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160; </div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;<span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;<span class="comment">         * If we&#39;re in the process a dragging a full window, mark the start</span></div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;<span class="comment">         * of the application painting. This is to make sure that if the</span></div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>&#160;<span class="comment">         * application calls DefWindowProc on the WM_PAINT after painting, we</span></div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160;<span class="comment">         * won&#39;t erase the newly painted areas.</span></div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160;<span class="comment">         * See other comments for xxxBeginPaint and xxxDWP_Paint.</span></div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;<span class="comment">         * 8/3/94 johannec</span></div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>&#160;<span class="comment">         * NOTE: This causes other problems in vslick where some controls</span></div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160;<span class="comment">         *       won&#39;t paint.  Since the app doesn&#39;t call BeginPaint/EndPaint</span></div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160;<span class="comment">         *       to truly set/clear the STARTPAINT flag, we do not clear this</span></div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>&#160;<span class="comment">         *       bit. (6-27-1996 : ChrisWil).</span></div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="a03257.html#a7ca87f48ae6d19dc52eb190fafc51016">gfDraggingFullWindow</a>) {</div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>&#160;            SetWF(pwnd, WFSTARTPAINT);</div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>&#160;        }</div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>&#160;    }</div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>&#160; </div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>&#160;    <span class="keywordflow">return</span> code;</div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a03257_source.html#l00037">gfDraggingFullWindow</a>, <a class="el" href="a03257_source.html#l00455">hrgnInv2</a>, <a class="el" href="a00365_source.html#l01406">tagWND::hrgnUpdate</a>, <a class="el" href="a00896_source.html#l01700">IntersectWithParents()</a>, <a class="el" href="a00935_source.html#l00132">OffsetRect()</a>, <a class="el" href="a00365_source.html#l01399">tagWND::rcClient</a> , 以及 <a class="el" href="a00812_source.html#l00704">xxxSimpleDoSyncPaint()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a03614_source.html#l05299">NtUserGetUpdateRgn()</a>.</p>

</div>
</div>
<a id="af920796d5612f833ca2179b07a008e69"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af920796d5612f833ca2179b07a008e69">&#9670;&nbsp;</a></span>xxxInternalInvalidate()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">VOID xxxInternalInvalidate </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgnUpdate</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a>&#160;</td>
          <td class="paramname"><em>flags</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l01257">1257</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;{</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;    RECT rcParents;</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;    HRGN hrgnSubtract;</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160; </div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;<span class="preprocessor">#ifdef DEBUG</span></div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;    <span class="keywordflow">if</span> (flags &amp; (RDW_ERASENOW | RDW_UPDATENOW))</div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;        <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160; </div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;<span class="comment">     * Ensure that hrgnSubtract is a valid region: if it&#39;s NULLREGION,</span></div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;<span class="comment">     * use the client region.</span></div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;    rcParents = (flags &amp; RDW_FRAME ? pwnd-&gt;<a class="code" href="a02581.html#a2778d611c2b27395e559c94d05732e1f">rcWindow</a> : pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>);</div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160; </div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;    <span class="keywordflow">if</span> (flags &amp; (RDW_VALIDATE | RDW_INVALIDATE)) {</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160; </div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160;        hrgnSubtract = hrgnUpdate;</div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160; </div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;        <span class="keywordflow">if</span> (hrgnSubtract == MAXREGION) {</div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160; </div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;            hrgnSubtract = <a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>;</div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;            <a class="code" href="a00899.html#a3951e09f86bf9c4209d51c55b5fa3938">CalcWindowRgn</a>(pwnd,</div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;                          hrgnSubtract,</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160;                          (flags &amp; RDW_FRAME) ? FALSE : TRUE);</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;        }</div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160; </div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;<span class="comment">         * Calculate the bounding rectangle of our screen real estate,</span></div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;<span class="comment">         * by intersecting with our parent rectangles.  While we&#39;re at</span></div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;<span class="comment">         * it, check the visibility of ourself and our parents.</span></div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;<span class="comment">         * If we&#39;re validating we want to skip this, since there</span></div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;<span class="comment">         * are a number of cases where obscured windows may have</span></div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;<span class="comment">         * update regions to be validated -- in particular, after</span></div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;<span class="comment">         * a ScrollWindow() call where a child window was offset</span></div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;<span class="comment">         * by OffsetChildren() to a new, obscured position.  Some of</span></div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;<span class="comment">         * the 3.0 compatibility hacks also can lead to this situation.</span></div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;        <span class="keywordflow">if</span> ((flags &amp; RDW_INVALIDATE) &amp;&amp; !<a class="code" href="a00896.html#a3333b91812c4eafd509d41303eb0100f">IntersectWithParents</a>(pwnd, &amp;rcParents))</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160; </div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;<span class="comment">         * hrgnsubtract needs to be a real region even if</span></div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;<span class="comment">         * we are not invalidating or validating.  It really doesn&#39;t</span></div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;<span class="comment">         * matter what the region is, but we set it to null so the code</span></div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;<span class="comment">         * has less degrees of freedom.</span></div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;        hrgnSubtract = <a class="code" href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a>;</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;        GreSetRectRgn(hrgnSubtract, 0, 0, 0, 0);</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;    }</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160; </div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;<span class="comment">     * If we&#39;re invalidating, and we&#39;re being called by the app,</span></div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160;<span class="comment">     * we need to invalidate any SPBs that might be affected by</span></div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;<span class="comment">     * drawing in the client area of this window.</span></div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;<span class="comment">     * We have to do this because there is no guarantee that the</span></div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;<span class="comment">     * application will draw in an area that is invalidated</span></div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;<span class="comment">     * (e.g., if the window is completely obscured by another).</span></div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;    <span class="keywordflow">if</span> ((flags &amp; RDW_INVALIDATE) &amp;&amp; (flags &amp; RDW_REDRAWWINDOW) &amp;&amp; AnySpbs()) {</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160; </div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;        RECT rcInvalid;</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160; </div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>&#160;<span class="comment">         * Intersect the parent&#39;s rect with the region bounds...</span></div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;        GreGetRgnBox(hrgnSubtract, &amp;rcInvalid);</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160;        <a class="code" href="a00935.html#a1c87c29903dd37145cd93b64140a5d3a">IntersectRect</a>(&amp;rcInvalid, &amp;rcInvalid, &amp;rcParents);</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;        <a class="code" href="a00860.html#a682e7a615d4877278df80629d78c3081">SpbCheckRect</a>(pwnd, &amp;rcInvalid, 0);</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;    }</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160; </div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160;<span class="comment">     * Now go do the recursive update region calculations...</span></div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;    <a class="code" href="a00896.html#ab6a4ddd732c403d0defe59c1cc87e829">InternalInvalidate2</a>(pwnd, hrgnUpdate, hrgnSubtract, &amp;rcParents, flags);</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160; </div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;<span class="comment">     * Finally handle any needed drawing.</span></div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;<span class="comment">     * (NOTE: RDW_UPDATENOW implies RDW_ERASENOW)</span></div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;    <span class="keywordflow">if</span> (flags &amp; RDW_UPDATENOW) {</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160; </div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;        <a class="code" href="a00896.html#a330d2973185148679b33e40d96c75a15">xxxInternalUpdateWindow</a>(pwnd,</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;                                flags &amp; RDW_NOCHILDREN ? 0 : <a class="code" href="a00896.html#ab987daecd0178a9702939e9e33394e60">UW_ENUMCHILDREN</a>);</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160; </div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (flags &amp; RDW_ERASENOW) {</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160; </div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;        <a class="code" href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT</a> flagsDSP = DSP_ENUMCLIPPEDCHILDREN;</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160; </div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;        <span class="keywordflow">if</span> (flags &amp; RDW_ALLCHILDREN)</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;            flagsDSP = DSP_ALLCHILDREN;</div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160; </div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;        <span class="keywordflow">if</span> (flags &amp; RDW_NOCHILDREN)</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;            flagsDSP = 0;</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160; </div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;        <a class="code" href="a00812.html#ad22bd288d9929477ed2a20dd9097dd0a">xxxDoSyncPaint</a>(pwnd, flagsDSP);</div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;    }</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00905_source.html#l00490">CalcWindowRgn()</a>, <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a03257_source.html#l00454">hrgnInv1</a>, <a class="el" href="a00896_source.html#l00369">InternalInvalidate2()</a>, <a class="el" href="a00935_source.html#l00184">IntersectRect()</a>, <a class="el" href="a00896_source.html#l01700">IntersectWithParents()</a>, <a class="el" href="a00365_source.html#l01399">tagWND::rcClient</a>, <a class="el" href="a00365_source.html#l01398">tagWND::rcWindow</a>, <a class="el" href="a00860_source.html#l01031">SpbCheckRect()</a>, <a class="el" href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT()</a>, <a class="el" href="a00896_source.html#l00021">UW_ENUMCHILDREN</a>, <a class="el" href="a00812_source.html#l01028">xxxDoSyncPaint()</a> , 以及 <a class="el" href="a00896_source.html#l01215">xxxInternalUpdateWindow()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00872_source.html#l02237">BltValidBits()</a>, <a class="el" href="a00860_source.html#l00267">SpbTransfer()</a>, <a class="el" href="a00689_source.html#l01097">UserChangeDisplaySettings()</a>, <a class="el" href="a00812_source.html#l01279">UserRedrawDesktop()</a>, <a class="el" href="a00896_source.html#l00302">xxxRedrawWindow()</a>, <a class="el" href="a00836_source.html#l00731">xxxScrollWindowEx()</a> , 以及 <a class="el" href="a00827_source.html#l01195">xxxSystemParametersInfo()</a>.</p>

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<a id="a330d2973185148679b33e40d96c75a15"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a330d2973185148679b33e40d96c75a15">&#9670;&nbsp;</a></span>xxxInternalUpdateWindow()</h2>

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<div class="memproto">
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        <tr>
          <td class="memname">BOOL xxxInternalUpdateWindow </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a>&#160;</td>
          <td class="paramname"><em>flags</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l01215">1215</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;{</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160; </div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;<span class="comment">     * If the passed-in window is transparent and a sibling below</span></div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;<span class="comment">     * needs repainting, don&#39;t do anything.</span></div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;    <span class="keywordflow">if</span> (TestWF(pwnd, WEFTRANSPARENT)) {</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160; </div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;        <a class="code" href="a02581.html">PWND</a>         pwndT = pwnd;</div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;        <a class="code" href="a02889.html">PTHREADINFO</a> ptiCurrent = GETPTI(pwnd);</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160; </div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;        <span class="keywordflow">while</span> ((pwndT = pwndT-&gt;<a class="code" href="a02581.html#af729b7de7a8fb84b70b70c4b401ce789">spwndNext</a>) != NULL) {</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160; </div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;<span class="comment">             * Make sure sibling window belongs to same app.</span></div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;            <span class="keywordflow">if</span> (GETPTI(pwndT) != ptiCurrent)</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;                <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160; </div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;            <span class="keywordflow">if</span> (NEEDSPAINT(pwndT))</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;                <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;        }</div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160;    }</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160; </div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;<span class="comment">     * Enumerate pwnd and all its children, sending WM_PAINTs as needed.</span></div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="a00896.html#a32eaac5634917065e8e79181c6d0cc03">xxxUpdateWindow2</a>(pwnd, flags);</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a00365_source.html#l01391">tagWND::spwndNext</a> , 以及 <a class="el" href="a00896_source.html#l01082">xxxUpdateWindow2()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00896_source.html#l01257">xxxInternalInvalidate()</a> , 以及 <a class="el" href="a00896_source.html#l01371">xxxUpdateWindow()</a>.</p>

</div>
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<a id="a51eb38ca0bb2d40819f743278dce2bd1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a51eb38ca0bb2d40819f743278dce2bd1">&#9670;&nbsp;</a></span>xxxInvalidateRect()</h2>

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          <td class="memname">BOOL xxxInvalidateRect </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">LPRECT&#160;</td>
          <td class="paramname"><em>lprcInvalid</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">BOOL&#160;</td>
          <td class="paramname"><em>fErase</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00039">39</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;{</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">     * BACKWARD COMPATIBILITY HACK</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">     * In Windows 3.0 and less, ValidateRect/InvalidateRect() call with</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">     * hwnd == NULL always INVALIDATED and ERASED the entire desktop, and</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment">     * synchronously sent WM_ERASEBKGND and WM_NCPAINT messages before</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">     * returning.  The Rgn() calls did not have this behavior.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordflow">if</span> (pwnd == NULL) {</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="a00896.html#a487301eed51abdcd2b3920954855e848">xxxRedrawWindow</a>(</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;                pwnd,</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                NULL,</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;                NULL,</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;                RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE | RDW_ERASENOW);</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="a00896.html#a487301eed51abdcd2b3920954855e848">xxxRedrawWindow</a>(</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;                pwnd,</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;                lprcInvalid,</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                NULL,</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;                fErase ? RDW_INVALIDATE | RDW_ERASE : RDW_INVALIDATE);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    }</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a> , 以及 <a class="el" href="a00896_source.html#l00302">xxxRedrawWindow()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00833_source.html#l00108">EnableSBCtlArrows()</a> , 以及 <a class="el" href="a03614_source.html#l04092">NtUserInvalidateRect()</a>.</p>

</div>
</div>
<a id="adfbbac539ae7300deb5a08780072362b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adfbbac539ae7300deb5a08780072362b">&#9670;&nbsp;</a></span>xxxInvalidateRgn()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BOOL xxxInvalidateRgn </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgnInvalid</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">BOOL&#160;</td>
          <td class="paramname"><em>fErase</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00110">110</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;{</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="a00896.html#a487301eed51abdcd2b3920954855e848">xxxRedrawWindow</a>(</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;            pwnd,</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            NULL,</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            <a class="code" href="a03257.html#a22582da0c3535d7a4fc98d7a7b03cc18">hrgnInvalid</a>,</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;            fErase ? RDW_INVALIDATE | RDW_ERASE : RDW_INVALIDATE);</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a03257_source.html#l00439">hrgnInvalid</a> , 以及 <a class="el" href="a00896_source.html#l00302">xxxRedrawWindow()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a03614_source.html#l05362">NtUserInvalidateRgn()</a>.</p>

</div>
</div>
<a id="a487301eed51abdcd2b3920954855e848"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a487301eed51abdcd2b3920954855e848">&#9670;&nbsp;</a></span>xxxRedrawWindow()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BOOL xxxRedrawWindow </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">LPRECT&#160;</td>
          <td class="paramname"><em>lprcUpdate</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgnUpdate</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a>&#160;</td>
          <td class="paramname"><em>flags</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00302">302</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;{</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160; </div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="comment">     * Always map NULL to the desktop.</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="keywordflow">if</span> (pwnd == NULL)</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;        pwnd = <a class="code" href="a00257.html#a8315d2c807ba18ba9e528c40614b6173">PtiCurrent</a>()-&gt;<a class="code" href="a02889.html#abb1184e0c5805b5ad89b79dcc2bd17c8">rpdesk</a>-&gt;<a class="code" href="a02801.html#a76d4881aa4c15330103e83a80e6b5dc7">pDeskInfo</a>-&gt;<a class="code" href="a02609.html#a68937d60a6f49b7a8431db62b38ea721">spwnd</a>;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160; </div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="a00365.html#ad3225ce06580cb58802233512f3d9c81">IsVisible</a>(pwnd)) {</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160; </div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;        <a class="code" href="a01881.html">TL</a>   tlpwnd;</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;        HRGN hrgn = hrgnUpdate;</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160; </div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;        <span class="keywordflow">if</span> (flags &amp; (RDW_VALIDATE | RDW_INVALIDATE)) {</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160; </div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;            <span class="keywordflow">if</span> (hrgn == NULL) {</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160; </div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;                hrgn = MAXREGION;</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160; </div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;                <span class="keywordflow">if</span> (HIWORD(lprcUpdate) != 0) {</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160; </div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;                    hrgn = <a class="code" href="a03257.html#a64bb480af28b68e29cff83cbea4d5216">hrgnInv0</a>;</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160; </div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;                    GreSetRectRgn(hrgn,</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;                                  lprcUpdate-&gt;left + pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.left,</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;                                  lprcUpdate-&gt;top + pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.top,</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;                                  lprcUpdate-&gt;right + pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.left,</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;                                  lprcUpdate-&gt;bottom + pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.top);</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;                }</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160; </div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160; </div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;<span class="comment">                 * If necessary, make a copy of the passed-in region, because</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;<span class="comment">                 * we&#39;ll be trashing it...</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;<span class="comment">                 */</span></div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;                <span class="keywordflow">if</span> (hrgn != MAXREGION) {</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;                    CopyRgn(<a class="code" href="a03257.html#a64bb480af28b68e29cff83cbea4d5216">hrgnInv0</a>, hrgn);</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;                    hrgn = <a class="code" href="a03257.html#a64bb480af28b68e29cff83cbea4d5216">hrgnInv0</a>;</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;                }</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160; </div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;                GreOffsetRgn(hrgn, pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.left, pwnd-&gt;<a class="code" href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">rcClient</a>.top);</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;            }</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;        }</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160; </div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;        <a class="code" href="a00899.html#abfae1dfb48db23dcea4494f7990ad6a6">ThreadLock</a>(pwnd, &amp;tlpwnd);</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;        <a class="code" href="a00896.html#af920796d5612f833ca2179b07a008e69">xxxInternalInvalidate</a>(pwnd, hrgn, flags | RDW_REDRAWWINDOW);</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;        ThreadUnlock(&amp;tlpwnd);</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    }</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160; </div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;    <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a03257_source.html#l00453">hrgnInv0</a>, <a class="el" href="a03728_source.html#l00456">IsVisible()</a>, <a class="el" href="a00899_source.html#l01706">tagDESKTOP::pDeskInfo</a>, <a class="el" href="a00263_source.html#l00526">PtiCurrent()</a>, <a class="el" href="a00365_source.html#l01399">tagWND::rcClient</a>, <a class="el" href="a00899_source.html#l02288">tagTHREADINFO::rpdesk</a>, <a class="el" href="a00365_source.html#l01603">tagDESKTOPINFO::spwnd</a>, <a class="el" href="a00899.html#abfae1dfb48db23dcea4494f7990ad6a6">ThreadLock()</a> , 以及 <a class="el" href="a00896_source.html#l01257">xxxInternalInvalidate()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a03614_source.html#l05322">NtUserRedrawWindow()</a>, <a class="el" href="a00656_source.html#l02159">UserResetDisplayDevice()</a>, <a class="el" href="a00656_source.html#l00499">xxxDesktopWndProc()</a>, <a class="el" href="a00668_source.html#l00830">xxxDrawWallpaper()</a>, <a class="el" href="a00656_source.html#l00459">xxxInvalidateIconicWindows()</a>, <a class="el" href="a00896_source.html#l00039">xxxInvalidateRect()</a>, <a class="el" href="a00896_source.html#l00110">xxxInvalidateRgn()</a>, <a class="el" href="a00689_source.html#l00140">xxxMakeWindowForegroundWithState()</a>, <a class="el" href="a00836_source.html#l00731">xxxScrollWindowEx()</a>, <a class="el" href="a00872_source.html#l01169">xxxSetWindowPos()</a>, <a class="el" href="a00896_source.html#l00077">xxxValidateRect()</a> , 以及 <a class="el" href="a00896_source.html#l00132">xxxValidateRgn()</a>.</p>

</div>
</div>
<a id="aa1a70248d072f47e9072b716708a6918"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa1a70248d072f47e9072b716708a6918">&#9670;&nbsp;</a></span>xxxUpdateWindow()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BOOL xxxUpdateWindow </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l01371">1371</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160;{</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160; </div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;    <span class="keywordflow">return</span>(<a class="code" href="a00896.html#a330d2973185148679b33e40d96c75a15">xxxInternalUpdateWindow</a>(pwnd, <a class="code" href="a00896.html#ab987daecd0178a9702939e9e33394e60">UW_ENUMCHILDREN</a>));</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160; </div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a00896_source.html#l00021">UW_ENUMCHILDREN</a> , 以及 <a class="el" href="a00896_source.html#l01215">xxxInternalUpdateWindow()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00689_source.html#l01097">UserChangeDisplaySettings()</a>, <a class="el" href="a00659_source.html#l00026">xxxDragObject()</a>, <a class="el" href="a00785_source.html#l00466">xxxMNLoop()</a>, <a class="el" href="a00890_source.html#l01434">xxxShowSwitchWindow()</a> , 以及 <a class="el" href="a00800_source.html#l01355">xxxUpdateThreadsWindows()</a>.</p>

</div>
</div>
<a id="a32eaac5634917065e8e79181c6d0cc03"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a32eaac5634917065e8e79181c6d0cc03">&#9670;&nbsp;</a></span>xxxUpdateWindow2()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BOOL xxxUpdateWindow2 </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a>&#160;</td>
          <td class="paramname"><em>flags</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l01082">1082</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;{</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;    <a class="code" href="a01881.html">TL</a> tlpwnd;</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160; </div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160; </div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;    <span class="keywordflow">if</span> (NEEDSPAINT(pwnd)) {</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160; </div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;<span class="comment">         * Punch a hole in our parent&#39;s update region, if we have one.</span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;        <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a>) {</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="a00896.html#a2ef829ca76ec2d553004ab030fbca1d2">ValidateParents</a>(pwnd, flags &amp; <a class="code" href="a00896.html#aaf84a35bdb504fd5d01c56a22ba9bff0">UW_RECURSED</a>) == FALSE) {</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;                <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;            }</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;        }</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160; </div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;<span class="comment">         * Now that we&#39;re sending the message, clear the</span></div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;<span class="comment">         * internal paint bit if it was previously set.</span></div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;        <span class="keywordflow">if</span> (TestWF(pwnd, WFINTERNALPAINT)) {</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160; </div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;            ClrWF(pwnd, WFINTERNALPAINT);</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160; </div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;<span class="comment">             * If there is no update region, then no further paint messages</span></div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;<span class="comment">             * are pending, so we must dec the paint count.</span></div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;            <span class="keywordflow">if</span> (pwnd-&gt;<a class="code" href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">hrgnUpdate</a> == NULL)</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;                <a class="code" href="a00812.html#a43390a3a6160237c8f96b0cf0f994bde">DecPaintCount</a>(pwnd);</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;        }</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160; </div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;<span class="comment">         * Set a flag indicating that a paint message was not processed</span></div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;<span class="comment">         * (but should be).</span></div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;        SetWF(pwnd, WFPAINTNOTPROCESSED);</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160; </div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;<span class="comment">         * Clear this bit, for apps (like MicroLink) that don&#39;t call</span></div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;<span class="comment">         * BeginPaint or GetUpdateRect/Rgn (but DO call ValidateRect)</span></div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;<span class="comment">         * when handling their WM_PAINT message.</span></div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;        ClrWF(pwnd, WFUPDATEDIRTY);</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160; </div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;<span class="comment">         * BACKWARD COMPATIBILITY HACK</span></div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;<span class="comment">         *</span></div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;<span class="comment">         * Win 3.0 always sent WM_PAINTICON with wParam == TRUE for no good</span></div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;<span class="comment">         * reason, and Lotus Notes has come to depend on this.</span></div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;        <span class="keywordflow">if</span> (!TestWF(pwnd, WFWIN40COMPAT) &amp;&amp;</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;            TestWF(pwnd, WFMINIMIZED)    &amp;&amp;</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;            (pwnd-&gt;<a class="code" href="a02581.html#a9ac6b15978318e3401ef9a878ccb40ac">pcls</a>-&gt;spicn != NULL)) {</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160; </div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;            <a class="code" href="a00842.html#a69cf2e14dcefd941469ad5126e40f79a">xxxSendMessage</a>(pwnd, WM_PAINTICON, TRUE, 0L);</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160; </div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160; </div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;            <a class="code" href="a00842.html#a69cf2e14dcefd941469ad5126e40f79a">xxxSendMessage</a>(pwnd, WM_PAINT, 0, 0L);</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;        }</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160; </div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;<span class="comment">         * If the guy didn&#39;t call BeginPaint/EndPaint(), or GetUpdateRect/Rgn</span></div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;<span class="comment">         * with fErase == TRUE, then we have to clean up for him here.</span></div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160;        <span class="keywordflow">if</span> (TestWF(pwnd, WFPAINTNOTPROCESSED)) {</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160; </div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160;            <a class="code" href="a00371.html#a01c4659626880ba56745765a3580a36b">RIPMSG0</a>(<a class="code" href="a00371.html#ad6b24a3d61abdc148c8751b5c5add686">RIP_VERBOSE</a>,</div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>&#160;                <span class="stringliteral">&quot;App didn&#39;t call BeginPaint() or GetUpdateRect/Rgn(fErase == TRUE) in WM_PAINT&quot;</span>);</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160; </div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>&#160;            <a class="code" href="a00812.html#a5fb5c8d8d77f78f43a8154e065390763">xxxSimpleDoSyncPaint</a>(pwnd);</div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;        }</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;    }</div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160; </div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160;<span class="comment">     * For desktop window, do not force the top level window repaint at this</span></div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160;<span class="comment">     * this point.  We are calling UpdateWindow() for the desktop before</span></div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160;<span class="comment">     * size/move is sent for the top level windows.</span></div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160;<span class="comment">     * BUG: The comment above seems a bit random.  Is there really a problem?</span></div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160;<span class="comment">     *      If nothing else this has to remain this way because it is</span></div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160;<span class="comment">     *      how Win 3.0 worked (neilk)</span></div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;    <span class="keywordflow">if</span> ((flags &amp; <a class="code" href="a00896.html#ab987daecd0178a9702939e9e33394e60">UW_ENUMCHILDREN</a>) &amp;&amp; (pwnd != PWNDDESKTOP(pwnd))) {</div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160; </div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;<span class="comment">         * Update any children...</span></div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;        pwnd = pwnd-&gt;<a class="code" href="a02581.html#a6171c9000ea2060597a9bcf498ee0316">spwndChild</a>;</div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;        <span class="keywordflow">while</span> (pwnd != NULL) {</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160; </div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;            <span class="comment">/*</span></div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;<span class="comment">             * If there is a transparent window that needs painting,</span></div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;<span class="comment">             * ensure that no window below it needs to paint.</span></div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;            <span class="keywordflow">if</span> (TestWF(pwnd, WEFTRANSPARENT) &amp;&amp; NEEDSPAINT(pwnd)) {</div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160; </div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;                <a class="code" href="a02581.html">PWND</a> pwndT = pwnd;</div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160; </div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;                <span class="keywordflow">while</span> ((pwndT = pwndT-&gt;<a class="code" href="a02581.html#af729b7de7a8fb84b70b70c4b401ce789">spwndNext</a>) != NULL) {</div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160;                    <span class="keywordflow">if</span> (NEEDSPAINT(pwndT))</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160;                        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;                }</div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;                <span class="keywordflow">if</span> (pwndT != NULL) {</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160;                    pwnd = pwnd-&gt;<a class="code" href="a02581.html#af729b7de7a8fb84b70b70c4b401ce789">spwndNext</a>;</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160;                    <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160;                }</div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160;            }</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160; </div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160;            ThreadLockAlways(pwnd, &amp;tlpwnd);</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160; </div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160;            <a class="code" href="a00896.html#a32eaac5634917065e8e79181c6d0cc03">xxxUpdateWindow2</a>(pwnd, flags | <a class="code" href="a00896.html#aaf84a35bdb504fd5d01c56a22ba9bff0">UW_RECURSED</a>);</div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160;            pwnd = pwnd-&gt;<a class="code" href="a02581.html#af729b7de7a8fb84b70b70c4b401ce789">spwndNext</a>;</div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160; </div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;            ThreadUnlock(&amp;tlpwnd);</div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;        }</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;    }</div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160; </div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;    <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a00812_source.html#l01221">DecPaintCount()</a>, <a class="el" href="a00365_source.html#l01406">tagWND::hrgnUpdate</a>, <a class="el" href="a00365_source.html#l01403">tagWND::pcls</a>, <a class="el" href="a00371_source.html#l00030">RIP_VERBOSE</a>, <a class="el" href="a00371_source.html#l00131">RIPMSG0</a>, <a class="el" href="a00365_source.html#l01393">tagWND::spwndChild</a>, <a class="el" href="a00365_source.html#l01391">tagWND::spwndNext</a>, <a class="el" href="a00896_source.html#l00021">UW_ENUMCHILDREN</a>, <a class="el" href="a00896_source.html#l00022">UW_RECURSED</a>, <a class="el" href="a00896_source.html#l00984">ValidateParents()</a>, <a class="el" href="a00842_source.html#l00613">xxxSendMessage()</a> , 以及 <a class="el" href="a00812_source.html#l00704">xxxSimpleDoSyncPaint()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a00896_source.html#l01215">xxxInternalUpdateWindow()</a>.</p>

</div>
</div>
<a id="a1d7c15c37da9521a93ab379c03cdadcf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1d7c15c37da9521a93ab379c03cdadcf">&#9670;&nbsp;</a></span>xxxValidateRect()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BOOL xxxValidateRect </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">LPRECT&#160;</td>
          <td class="paramname"><em>lprcValid</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00077">77</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;{</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">     * BACKWARD COMPATIBILITY HACK</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment">     *</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment">     * In Windows 3.0 and less, ValidateRect/InvalidateRect() call with</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment">     * hwnd == NULL always INVALIDATED and ERASED the entire desktop, and</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">     * synchronously sent WM_ERASEBKGND and WM_NCPAINT messages before</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">     * returning.  The Rgn() calls did not have this behavior.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keywordflow">if</span> (pwnd == NULL) {</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="a00896.html#a487301eed51abdcd2b3920954855e848">xxxRedrawWindow</a>(</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;                pwnd,</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;                NULL,</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;                NULL,</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;                RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE | RDW_ERASENOW);</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="a00896.html#a487301eed51abdcd2b3920954855e848">xxxRedrawWindow</a>(pwnd, lprcValid, NULL, RDW_VALIDATE);</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    }</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a> , 以及 <a class="el" href="a00896_source.html#l00302">xxxRedrawWindow()</a>.</p>

<p class="reference">被这些函数引用 <a class="el" href="a03614_source.html#l05083">NtUserValidateRect()</a>, <a class="el" href="a03590_source.html#l02538">xxxMenuWindowProc()</a> , 以及 <a class="el" href="a00872_source.html#l00037">xxxMoveWindow()</a>.</p>

</div>
</div>
<a id="a6d213d929b93fc6bf2d87a5cee5987ae"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6d213d929b93fc6bf2d87a5cee5987ae">&#9670;&nbsp;</a></span>xxxValidateRgn()</h2>

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      <table class="memname">
        <tr>
          <td class="memname">BOOL xxxValidateRgn </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00365.html#a1a2ef1c363aa0787a8f8a7dde2a34aaf">PWND</a>&#160;</td>
          <td class="paramname"><em>pwnd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">HRGN&#160;</td>
          <td class="paramname"><em>hrgnValid</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p class="definition">在文件 <a class="el" href="a00896_source.html">update.c</a> 第 <a class="el" href="a00896_source.html#l00132">132</a> 行定义.</p>
<div class="fragment"><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;{</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <a class="code" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a>(pwnd);</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="a00896.html#a487301eed51abdcd2b3920954855e848">xxxRedrawWindow</a>(pwnd, NULL, <a class="code" href="a03257.html#a6ed7bdfb32a260cb1f7f148bdd49827f">hrgnValid</a>, RDW_VALIDATE);</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">引用了 <a class="el" href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock()</a>, <a class="el" href="a03257_source.html#l00437">hrgnValid</a> , 以及 <a class="el" href="a00896_source.html#l00302">xxxRedrawWindow()</a>.</p>

</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="aa00371_html_a01c4659626880ba56745765a3580a36b"><div class="ttname"><a href="a00371.html#a01c4659626880ba56745765a3580a36b">RIPMSG0</a></div><div class="ttdeci">#define RIPMSG0(flags, szFmt)</div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00131">winerrp.h:131</a></div></div>
<div class="ttc" id="aa00896_html_a32eaac5634917065e8e79181c6d0cc03"><div class="ttname"><a href="a00896.html#a32eaac5634917065e8e79181c6d0cc03">xxxUpdateWindow2</a></div><div class="ttdeci">BOOL xxxUpdateWindow2(PWND pwnd, DWORD flags)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l01082">update.c:1082</a></div></div>
<div class="ttc" id="aa00896_html_a3333b91812c4eafd509d41303eb0100f"><div class="ttname"><a href="a00896.html#a3333b91812c4eafd509d41303eb0100f">IntersectWithParents</a></div><div class="ttdeci">BOOL IntersectWithParents(PWND pwnd, LPRECT lprc)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l01700">update.c:1700</a></div></div>
<div class="ttc" id="aa00896_html_ad7da6f024015a3ec7f8246dc94081ed4"><div class="ttname"><a href="a00896.html#ad7da6f024015a3ec7f8246dc94081ed4">RDW_IGNOREUPDATEDIRTY</a></div><div class="ttdeci">#define RDW_IGNOREUPDATEDIRTY</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00028">update.c:28</a></div></div>
<div class="ttc" id="aa00896_html_a487301eed51abdcd2b3920954855e848"><div class="ttname"><a href="a00896.html#a487301eed51abdcd2b3920954855e848">xxxRedrawWindow</a></div><div class="ttdeci">BOOL xxxRedrawWindow(PWND pwnd, LPRECT lprcUpdate, HRGN hrgnUpdate, DWORD flags)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00302">update.c:302</a></div></div>
<div class="ttc" id="aa02581_html_a9ac6b15978318e3401ef9a878ccb40ac"><div class="ttname"><a href="a02581.html#a9ac6b15978318e3401ef9a878ccb40ac">tagWND::pcls</a></div><div class="ttdeci">PCLS pcls</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01403">user.h:1403</a></div></div>
<div class="ttc" id="aa02909_html_acc6792141787aadc4d90abe018db1e02"><div class="ttname"><a href="a02909.html#acc6792141787aadc4d90abe018db1e02">tagDCE::hdc</a></div><div class="ttdeci">HDC hdc</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02460">userk.h:2460</a></div></div>
<div class="ttc" id="aa00896_html_ad963b98e5e1a8c5a0713ed48f1368405"><div class="ttname"><a href="a00896.html#ad963b98e5e1a8c5a0713ed48f1368405">SmartRectInRegion</a></div><div class="ttdeci">UINT SmartRectInRegion(HRGN hrgn, LPRECT lprc)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00159">update.c:159</a></div></div>
<div class="ttc" id="aa00371_html_ad6b24a3d61abdc148c8751b5c5add686"><div class="ttname"><a href="a00371.html#ad6b24a3d61abdc148c8751b5c5add686">RIP_VERBOSE</a></div><div class="ttdeci">#define RIP_VERBOSE</div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00030">winerrp.h:30</a></div></div>
<div class="ttc" id="aa00899_html_a3951e09f86bf9c4209d51c55b5fa3938"><div class="ttname"><a href="a00899.html#a3951e09f86bf9c4209d51c55b5fa3938">CalcWindowRgn</a></div><div class="ttdeci">int CalcWindowRgn(PWND pwnd, HRGN hrgn, BOOL fClient)</div><div class="ttdef"><b>Definition:</b> <a href="a00905_source.html#l00490">visrgn.c:490</a></div></div>
<div class="ttc" id="aa02801_html_a76d4881aa4c15330103e83a80e6b5dc7"><div class="ttname"><a href="a02801.html#a76d4881aa4c15330103e83a80e6b5dc7">tagDESKTOP::pDeskInfo</a></div><div class="ttdeci">PDESKTOPINFO pDeskInfo</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l01706">userk.h:1706</a></div></div>
<div class="ttc" id="aa00896_html_ac7435691056fe04715985fddcd1504b0"><div class="ttname"><a href="a00896.html#ac7435691056fe04715985fddcd1504b0">RIR_INSIDE</a></div><div class="ttdeci">#define RIR_INSIDE</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00026">update.c:26</a></div></div>
<div class="ttc" id="aa02909_html_a29bb851466268efcf57e7e81e2d0ab09"><div class="ttname"><a href="a02909.html#a29bb851466268efcf57e7e81e2d0ab09">tagDCE::flags</a></div><div class="ttdeci">DWORD flags</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02466">userk.h:2466</a></div></div>
<div class="ttc" id="aa02605_html_afb2df48c699295f358dd262c291570a2"><div class="ttname"><a href="a02605.html#afb2df48c699295f358dd262c291570a2">tagDISPLAYINFO::pdceFirst</a></div><div class="ttdeci">PDCE pdceFirst</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01574">user.h:1574</a></div></div>
<div class="ttc" id="aa00812_html_a43390a3a6160237c8f96b0cf0f994bde"><div class="ttname"><a href="a00812.html#a43390a3a6160237c8f96b0cf0f994bde">DecPaintCount</a></div><div class="ttdeci">VOID DecPaintCount(PWND pwnd)</div><div class="ttdef"><b>Definition:</b> <a href="a00812_source.html#l01221">paint.c:1221</a></div></div>
<div class="ttc" id="aa00842_html_a69cf2e14dcefd941469ad5126e40f79a"><div class="ttname"><a href="a00842.html#a69cf2e14dcefd941469ad5126e40f79a">xxxSendMessage</a></div><div class="ttdeci">LONG xxxSendMessage(PWND pwnd, UINT message, DWORD wParam, LONG lParam)</div><div class="ttdef"><b>Definition:</b> <a href="a00842_source.html#l00613">sendmsg.c:613</a></div></div>
<div class="ttc" id="aa00257_html_a8315d2c807ba18ba9e528c40614b6173"><div class="ttname"><a href="a00257.html#a8315d2c807ba18ba9e528c40614b6173">PtiCurrent</a></div><div class="ttdeci">PTHREADINFO PtiCurrent(VOID)</div><div class="ttdef"><b>Definition:</b> <a href="a00263_source.html#l00526">winmgrc.c:526</a></div></div>
<div class="ttc" id="aa02581_html_af729b7de7a8fb84b70b70c4b401ce789"><div class="ttname"><a href="a02581.html#af729b7de7a8fb84b70b70c4b401ce789">tagWND::spwndNext</a></div><div class="ttdeci">struct tagWND * spwndNext</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01391">user.h:1391</a></div></div>
<div class="ttc" id="aa00707_html_a7b701c471095556c70f025c65f4fb4e3"><div class="ttname"><a href="a00707.html#a7b701c471095556c70f025c65f4fb4e3">ClearHungFlag</a></div><div class="ttdeci">VOID ClearHungFlag(PWND pwnd, WORD wFlag)</div><div class="ttdef"><b>Definition:</b> <a href="a00707_source.html#l00093">hungapp.c:93</a></div></div>
<div class="ttc" id="aa02581_html_a79d8579e0cf1a8fb985bc709e08f61ac"><div class="ttname"><a href="a02581.html#a79d8579e0cf1a8fb985bc709e08f61ac">tagWND::hrgnUpdate</a></div><div class="ttdeci">HRGN hrgnUpdate</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01406">user.h:1406</a></div></div>
<div class="ttc" id="aa03257_html_a563994bd74d1e838db9b57fba52976d5"><div class="ttname"><a href="a03257.html#a563994bd74d1e838db9b57fba52976d5">hrgnInv2</a></div><div class="ttdeci">HRGN hrgnInv2</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00455">kernel/globals.c:455</a></div></div>
<div class="ttc" id="aa00935_html_a59a3cfdacf3d0e5d10c20abee032cfc6"><div class="ttname"><a href="a00935.html#a59a3cfdacf3d0e5d10c20abee032cfc6">OffsetRect</a></div><div class="ttdeci">BOOL APIENTRY OffsetRect(LPRECT prc, int cx, int cy)</div><div class="ttdef"><b>Definition:</b> <a href="a00935_source.html#l00132">rect.c:132</a></div></div>
<div class="ttc" id="aa00899_html_abfae1dfb48db23dcea4494f7990ad6a6"><div class="ttname"><a href="a00899.html#abfae1dfb48db23dcea4494f7990ad6a6">ThreadLock</a></div><div class="ttdeci">VOID ThreadLock(PVOID pobj, PTL ptl)</div></div>
<div class="ttc" id="aa00812_html_ad22bd288d9929477ed2a20dd9097dd0a"><div class="ttname"><a href="a00812.html#ad22bd288d9929477ed2a20dd9097dd0a">xxxDoSyncPaint</a></div><div class="ttdeci">VOID xxxDoSyncPaint(PWND pwnd, DWORD flags)</div><div class="ttdef"><b>Definition:</b> <a href="a00812_source.html#l01028">paint.c:1028</a></div></div>
<div class="ttc" id="aa00935_html_a1c87c29903dd37145cd93b64140a5d3a"><div class="ttname"><a href="a00935.html#a1c87c29903dd37145cd93b64140a5d3a">IntersectRect</a></div><div class="ttdeci">BOOL APIENTRY IntersectRect(LPRECT prcDst, CONST RECT *prcSrc1, CONST RECT *prcSrc2)</div><div class="ttdef"><b>Definition:</b> <a href="a00935_source.html#l00184">rect.c:184</a></div></div>
<div class="ttc" id="aa02909_html"><div class="ttname"><a href="a02909.html">tagDCE</a></div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02458">userk.h:2458</a></div></div>
<div class="ttc" id="aa02909_html_a836027bc59a581f318ea7974231660a0"><div class="ttname"><a href="a02909.html#a836027bc59a581f318ea7974231660a0">tagDCE::pdceNext</a></div><div class="ttdeci">struct tagDCE * pdceNext</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02459">userk.h:2459</a></div></div>
<div class="ttc" id="aa03257_html_ab597263bdbb3441715804712fcf29e6d"><div class="ttname"><a href="a03257.html#ab597263bdbb3441715804712fcf29e6d">gpDispInfo</a></div><div class="ttdeci">PDISPLAYINFO gpDispInfo</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00125">kernel/globals.c:125</a></div></div>
<div class="ttc" id="aa00896_html_a059a937f154912751dafe2ee447cf806"><div class="ttname"><a href="a00896.html#a059a937f154912751dafe2ee447cf806">RIR_INTERSECT</a></div><div class="ttdeci">#define RIR_INTERSECT</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00025">update.c:25</a></div></div>
<div class="ttc" id="aa00563_html_a074685e97e89d6aa2accdfcb82328699"><div class="ttname"><a href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a></div><div class="ttdeci">ddeml v[i&lt; inst &gt;][t&lt; type &gt;][hObj|pObj] Dump DDEML state information ddeml lists all ddeml instances for this process n ddeml t&lt; type &gt; lists all ddeml objects of the given type n n assumes link is first DWORD</div><div class="ttdef"><b>Definition:</b> <a href="a00563_source.html#l00175">exts.h:175</a></div></div>
<div class="ttc" id="aa01881_html"><div class="ttname"><a href="a01881.html">_TL</a></div><div class="ttdef"><b>Definition:</b> <a href="a00257_source.html#l00347">usercli.h:347</a></div></div>
<div class="ttc" id="aa02581_html_a860be5351f601ab541124507007056aa"><div class="ttname"><a href="a02581.html#a860be5351f601ab541124507007056aa">tagWND::hrgnClip</a></div><div class="ttdeci">HRGN hrgnClip</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01427">user.h:1427</a></div></div>
<div class="ttc" id="aa02581_html_a2778d611c2b27395e559c94d05732e1f"><div class="ttname"><a href="a02581.html#a2778d611c2b27395e559c94d05732e1f">tagWND::rcWindow</a></div><div class="ttdeci">RECT rcWindow</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01398">user.h:1398</a></div></div>
<div class="ttc" id="aa02581_html"><div class="ttname"><a href="a02581.html">tagWND</a></div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01388">user.h:1388</a></div></div>
<div class="ttc" id="aa02581_html_a6053af0b243b6737640988eb63081de3"><div class="ttname"><a href="a02581.html#a6053af0b243b6737640988eb63081de3">tagWND::spwndParent</a></div><div class="ttdeci">struct tagWND * spwndParent</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01392">user.h:1392</a></div></div>
<div class="ttc" id="aa00896_html_a330d2973185148679b33e40d96c75a15"><div class="ttname"><a href="a00896.html#a330d2973185148679b33e40d96c75a15">xxxInternalUpdateWindow</a></div><div class="ttdeci">BOOL xxxInternalUpdateWindow(PWND pwnd, DWORD flags)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l01215">update.c:1215</a></div></div>
<div class="ttc" id="aa03257_html_a22582da0c3535d7a4fc98d7a7b03cc18"><div class="ttname"><a href="a03257.html#a22582da0c3535d7a4fc98d7a7b03cc18">hrgnInvalid</a></div><div class="ttdeci">HRGN hrgnInvalid</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00439">kernel/globals.c:439</a></div></div>
<div class="ttc" id="aa00896_html_ab6a4ddd732c403d0defe59c1cc87e829"><div class="ttname"><a href="a00896.html#ab6a4ddd732c403d0defe59c1cc87e829">InternalInvalidate2</a></div><div class="ttdeci">BOOL InternalInvalidate2(PWND pwnd, HRGN hrgn, HRGN hrgnSubtract, LPRECT prcParents, DWORD flags)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00369">update.c:369</a></div></div>
<div class="ttc" id="aa03257_html_a7ca87f48ae6d19dc52eb190fafc51016"><div class="ttname"><a href="a03257.html#a7ca87f48ae6d19dc52eb190fafc51016">gfDraggingFullWindow</a></div><div class="ttdeci">BOOL gfDraggingFullWindow</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00037">kernel/globals.c:37</a></div></div>
<div class="ttc" id="aa00812_html_a2134880cb94c8a7a50553a9aa01baac5"><div class="ttname"><a href="a00812.html#a2134880cb94c8a7a50553a9aa01baac5">IncPaintCount</a></div><div class="ttdeci">VOID IncPaintCount(PWND pwnd)</div><div class="ttdef"><b>Definition:</b> <a href="a00812_source.html#l01197">paint.c:1197</a></div></div>
<div class="ttc" id="aa02909_html_ab16914cf4ed2b07963809d957831ff0c"><div class="ttname"><a href="a02909.html#ab16914cf4ed2b07963809d957831ff0c">tagDCE::pwndOrg</a></div><div class="ttdeci">struct tagWND * pwndOrg</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02461">userk.h:2461</a></div></div>
<div class="ttc" id="aa02605_html_a263f5b35c44d9f9ae5c74acae8037644"><div class="ttname"><a href="a02605.html#a263f5b35c44d9f9ae5c74acae8037644">tagDISPLAYINFO::rcScreen</a></div><div class="ttdeci">RECT rcScreen</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01570">user.h:1570</a></div></div>
<div class="ttc" id="aa03257_html_a6ed7bdfb32a260cb1f7f148bdd49827f"><div class="ttname"><a href="a03257.html#a6ed7bdfb32a260cb1f7f148bdd49827f">hrgnValid</a></div><div class="ttdeci">HRGN hrgnValid</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00437">kernel/globals.c:437</a></div></div>
<div class="ttc" id="aa00935_html_a0cbc8750cb300c339ef3d2c0ca689f1a"><div class="ttname"><a href="a00935.html#a0cbc8750cb300c339ef3d2c0ca689f1a">EqualRect</a></div><div class="ttdeci">BOOL APIENTRY EqualRect(CONST RECT *prc1, CONST RECT *prc2)</div><div class="ttdef"><b>Definition:</b> <a href="a00935_source.html#l00285">rect.c:285</a></div></div>
<div class="ttc" id="aa00860_html_a682e7a615d4877278df80629d78c3081"><div class="ttname"><a href="a00860.html#a682e7a615d4877278df80629d78c3081">SpbCheckRect</a></div><div class="ttdeci">VOID SpbCheckRect(PWND pwnd, LPRECT lprc, DWORD flags)</div><div class="ttdef"><b>Definition:</b> <a href="a00860_source.html#l01031">spb.c:1031</a></div></div>
<div class="ttc" id="aa00896_html_aaf84a35bdb504fd5d01c56a22ba9bff0"><div class="ttname"><a href="a00896.html#aaf84a35bdb504fd5d01c56a22ba9bff0">UW_RECURSED</a></div><div class="ttdeci">#define UW_RECURSED</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00022">update.c:22</a></div></div>
<div class="ttc" id="aa00896_html_af920796d5612f833ca2179b07a008e69"><div class="ttname"><a href="a00896.html#af920796d5612f833ca2179b07a008e69">xxxInternalInvalidate</a></div><div class="ttdeci">VOID xxxInternalInvalidate(PWND pwnd, HRGN hrgnUpdate, DWORD flags)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l01257">update.c:1257</a></div></div>
<div class="ttc" id="aa02889_html_abb1184e0c5805b5ad89b79dcc2bd17c8"><div class="ttname"><a href="a02889.html#abb1184e0c5805b5ad89b79dcc2bd17c8">tagTHREADINFO::rpdesk</a></div><div class="ttdeci">PDESKTOP rpdesk</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02288">userk.h:2288</a></div></div>
<div class="ttc" id="aa00896_html_a0e9ad69f6b473c9c76b5693e0d1d524e"><div class="ttname"><a href="a00896.html#a0e9ad69f6b473c9c76b5693e0d1d524e">PixieHack</a></div><div class="ttdeci">VOID PixieHack(PWND pwnd, LPRECT prcBounds)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00243">update.c:243</a></div></div>
<div class="ttc" id="aa00812_html_a5fb5c8d8d77f78f43a8154e065390763"><div class="ttname"><a href="a00812.html#a5fb5c8d8d77f78f43a8154e065390763">xxxSimpleDoSyncPaint</a></div><div class="ttdeci">VOID xxxSimpleDoSyncPaint(PWND pwnd)</div><div class="ttdef"><b>Definition:</b> <a href="a00812_source.html#l00704">paint.c:704</a></div></div>
<div class="ttc" id="aa03608_html_afd1a0e78d1f88954d93e48ab3821781f"><div class="ttname"><a href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT</a></div><div class="ttdeci">typedef UINT(FAR WINAPI *MSGSOUNDPROC)()</div></div>
<div class="ttc" id="aa03257_html_a64bb480af28b68e29cff83cbea4d5216"><div class="ttname"><a href="a03257.html#a64bb480af28b68e29cff83cbea4d5216">hrgnInv0</a></div><div class="ttdeci">HRGN hrgnInv0</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00453">kernel/globals.c:453</a></div></div>
<div class="ttc" id="aa00899_html_a70b09c3e2b495630f4205d34be505afb"><div class="ttname"><a href="a00899.html#a70b09c3e2b495630f4205d34be505afb">CheckLock</a></div><div class="ttdeci">VOID CheckLock(PVOID pobj)</div></div>
<div class="ttc" id="aa02609_html_a68937d60a6f49b7a8431db62b38ea721"><div class="ttname"><a href="a02609.html#a68937d60a6f49b7a8431db62b38ea721">tagDESKTOPINFO::spwnd</a></div><div class="ttdeci">struct tagWND * spwnd</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01603">user.h:1603</a></div></div>
<div class="ttc" id="aa02889_html"><div class="ttname"><a href="a02889.html">tagTHREADINFO</a></div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02260">userk.h:2260</a></div></div>
<div class="ttc" id="aa02581_html_a6171c9000ea2060597a9bcf498ee0316"><div class="ttname"><a href="a02581.html#a6171c9000ea2060597a9bcf498ee0316">tagWND::spwndChild</a></div><div class="ttdeci">struct tagWND * spwndChild</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01393">user.h:1393</a></div></div>
<div class="ttc" id="aa00896_html_a2ef829ca76ec2d553004ab030fbca1d2"><div class="ttname"><a href="a00896.html#a2ef829ca76ec2d553004ab030fbca1d2">ValidateParents</a></div><div class="ttdeci">BOOL ValidateParents(PWND pwnd, BOOL fRecurse)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00984">update.c:984</a></div></div>
<div class="ttc" id="aa00935_html_a6f9d1e9b327899127c080496900d48d9"><div class="ttname"><a href="a00935.html#a6f9d1e9b327899127c080496900d48d9">SetRectEmpty</a></div><div class="ttdeci">BOOL APIENTRY SetRectEmpty(LPRECT prc)</div><div class="ttdef"><b>Definition:</b> <a href="a00935_source.html#l00414">rect.c:414</a></div></div>
<div class="ttc" id="aa00263_html_af0277284ad14b2b685eb0dcb1f506323"><div class="ttname"><a href="a00263.html#af0277284ad14b2b685eb0dcb1f506323">GetAppCompatFlags</a></div><div class="ttdeci">DWORD GetAppCompatFlags(PTHREADINFO pti)</div><div class="ttdef"><b>Definition:</b> <a href="a00263_source.html#l00457">winmgrc.c:457</a></div></div>
<div class="ttc" id="aa03743_html_a6fff890dabd74b268fbcba3368ecc560"><div class="ttname"><a href="a03743.html#a6fff890dabd74b268fbcba3368ecc560">_GetDesktopWindow</a></div><div class="ttdeci">PWND _GetDesktopWindow(void)</div><div class="ttdef"><b>Definition:</b> <a href="a03743_source.html#l00229">client/wow.c:229</a></div></div>
<div class="ttc" id="aa00896_html_adbc73e3d4696e50274abed881c65d980"><div class="ttname"><a href="a00896.html#adbc73e3d4696e50274abed881c65d980">RIR_OUTSIDE</a></div><div class="ttdeci">#define RIR_OUTSIDE</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00024">update.c:24</a></div></div>
<div class="ttc" id="aa02581_html_a17d59d04094aef8b577c0aa781cdf2c6"><div class="ttname"><a href="a02581.html#a17d59d04094aef8b577c0aa781cdf2c6">tagWND::rcClient</a></div><div class="ttdeci">RECT rcClient</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l01399">user.h:1399</a></div></div>
<div class="ttc" id="aa00896_html_a6538450521dc4179a60dc0ec52bb6bb8"><div class="ttname"><a href="a00896.html#a6538450521dc4179a60dc0ec52bb6bb8">InternalInvalidate3</a></div><div class="ttdeci">VOID InternalInvalidate3(PWND pwnd, HRGN hrgn, DWORD flags)</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00743">update.c:743</a></div></div>
<div class="ttc" id="aa00365_html_ad3225ce06580cb58802233512f3d9c81"><div class="ttname"><a href="a00365.html#ad3225ce06580cb58802233512f3d9c81">IsVisible</a></div><div class="ttdeci">BOOL IsVisible(PWND pwnd)</div><div class="ttdef"><b>Definition:</b> <a href="a03728_source.html#l00456">rtl/winmgr.c:456</a></div></div>
<div class="ttc" id="aa03257_html_a8bad277911a130818be3a899ed20bb47"><div class="ttname"><a href="a03257.html#a8bad277911a130818be3a899ed20bb47">hrgnInv1</a></div><div class="ttdeci">HRGN hrgnInv1</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00454">kernel/globals.c:454</a></div></div>
<div class="ttc" id="aa00896_html_ab987daecd0178a9702939e9e33394e60"><div class="ttname"><a href="a00896.html#ab987daecd0178a9702939e9e33394e60">UW_ENUMCHILDREN</a></div><div class="ttdeci">#define UW_ENUMCHILDREN</div><div class="ttdef"><b>Definition:</b> <a href="a00896_source.html#l00021">update.c:21</a></div></div>
<div class="ttc" id="aa00707_html_a48bb45e87305209ffdf6f40438cdb8f5"><div class="ttname"><a href="a00707.html#a48bb45e87305209ffdf6f40438cdb8f5">SetHungFlag</a></div><div class="ttdeci">VOID SetHungFlag(PWND pwnd, WORD wFlag)</div><div class="ttdef"><b>Definition:</b> <a href="a00707_source.html#l00031">hungapp.c:31</a></div></div>
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